13 - 1 McGraw-Hill Ryerson© 13 13 Annuitie s Due Annuities Chapter 13 McGraw-Hill Ryerson©
Oct 19, 2014
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Annuities
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Chapter 13Chapter 13
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Calculate
… the Future Value and Present Value ofLO 1.LO 1.
After completing this chapter, you will be able to:
…the payment size, number of payments, and interest rate in
Learning ObjectivesLearning
Objectives
LO 2.LO 2.
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Membership dues are usually paid in advance Membership dues are usually paid in advance
Only a small modification to the math of Ordinary Annuities is needed to handle
Only a small modification to the math of Ordinary Annuities is needed to handle
If you lease equipment, a vehicle, or rent property,
the typical lease contract requires payments at the
beginning of each
period of coverage
If you lease equipment, a vehicle, or rent property,
the typical lease contract requires payments at the
beginning of each
period of coverage
1st.1st.
15th.15th.
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Ordinary AnnuityOrdinary Annuity
Payments / Deposits
are made at the end of the period
Payments / Deposits
are made at the end of the period
Payments / Deposits
are made at the beginning of
the period
Payments / Deposits
are made at the beginning of
the period
Classification of Annuities
Classification of Annuities
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Annuity Category
Annuity Category
Is the payment at the end or
at the beginning of each payment
interval?
Is the payment at the end or
at the beginning of each payment
interval?
Compare the payment
interval to the compounding
interval
Compare the payment
interval to the compounding
interval
Ordinary Simple
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Classification of Annuities
Classification of Annuities
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End Equal
Ordinary General End
Not Equal
Beginning
Not Equal
Equal
Beginning
Simple Annuity Due
General Annuity Due
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FVdue = PMT (1+ i)n - 1[ i ]Formula Formula * (1+ i)
If the payments form a general annuity due,
use i2 = (1+i)c – 1 in the formula for i
FormulaeFormulaeLO 1.LO 1.
PVdue = PMT 1-(1+ i)-n[ i ]Formula Formula * (1+ i)
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“Payments…in advance”
“First payment … made today”
“Payments at the beginning of each…..”
“Payments ….. starting now”
Clues to help identify annuities due
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How much will Elyse accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000
starting on her 30th birthday?
Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
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How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
Step 1 – Set your calculator to the “BGN mode”
END
Step 2…Step 2…
BGN BGN0
Notice the tiny BGN above the 0
Notice the tiny BGN above the 0
Your calculator is now set for annuity due
Your calculator is now set for annuity due
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Step 2 – Solve for the FV of the annuity due
How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
BGN0FV= 247,510.31 Elyse’s RRSP value on her 60th birthday
Elyse’s RRSP value on her 60th birthday
2
1000
0
60
8
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n =i =c = 10000.08/2
1.04
1000
60
1 0.04
PMT =
10.5196 9.5196 247,510.31
601
1.04
How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
How much will Elyse
accumulate in her RRSP by age 60 if she makes semi-annual contributions of $1,000 starting on her
30th birthday? Assume that the RRSP earns 8% compounded semi-annually and that no contribution is made
on her 60th birthday.
[FV = PMT (1+ i)n - 1i ] * (1+ i)Formula Formula
Elyse’s RRSP value on her 60th birthday
Elyse’s RRSP value on her 60th birthday
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A lottery offers the winner a choice between a $300,000 cash prize, or quarterly payments
of $7,000 beginning immediately and continuing for 20 years. Which alternative should the winner pick if money is worth
8% compounded quarterly?
Need to find the PV today of the payment alternative and compare with the $300,000 cash.
Need to find the PV today of the payment alternative and compare with the $300,000 cash.
What do we have to find?What do we have to find?
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A lottery offers the winner a choice between a $300,000
cash prize, or quarterly payments
of $7,000 beginning
immediately
and continuing for 20 years. Which alternative should the winner pick
if money is worth
8% compounded quarterly?
A lottery offers the winner a choice between a $300,000
cash prize, or quarterly payments
of $7,000 beginning
immediately
and continuing for 20 years. Which alternative should the winner pick
if money is worth
8% compounded quarterly?
END
Step 2…Step 2…
BGN BGN0Your calculator
is now set for annuity due
Your calculator is now set for annuity due
Step 1 – Set your calculator to the “BGN mode”
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Step 2 – Solve for the PV of the annuity due
BGN0PV= 283,775.83 Cash Value
of the payment option
Cash Value of the payment option
4
7000
0
80
8
A lottery offers the winner a choice between a $300,000
cash prize, or quarterly payments
of $7,000 beginning
immediately
and continuing for 20 years. Which alternative should the winner pick
if money is worth
8% compounded quarterly?
A lottery offers the winner a choice between a $300,000
cash prize, or quarterly payments
of $7,000 beginning
immediately
and continuing for 20 years. Which alternative should the winner pick
if money is worth
8% compounded quarterly?
The $300,000 cash is a better offer …$16,224 more in current day
dollars…($300,000 - $283,775.83)
The $300,000 cash is a better offer …$16,224 more in current day
dollars…($300,000 - $283,775.83)
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Due A lottery offers the winner a choice between a $300,000 cash prize, or quarterly
payments of $7,000 beginning immediately and continuing for 20 years. Which alternative should
the winner pick if money is worth 8% compounded quarterly?
= $283,775.83
The $300,000 cash is a better offer… $16,224 more in current day dollars…($300,000 - $283,775.83)
The $300,000 cash is a better offer… $16,224 more in current day dollars…($300,000 - $283,775.83)
(1 -(1 + .08/4)-80) .02
*(1.02)= 7000 [ ]
PVdue = PMT 1-(1+ i)-n[ i ]* (1+ i)
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You have accumulated $104,000 in your
RRSP. Your goal is to build it to $250,000
with equal contributions every 6 months for the next 7 years. If you
earn 8.5% compounded semi-annually, and start today, find the size
of your contributions.
Step 1 – Set your calculator to the “BGN mode”
BGN
Step 2 – Solve for the PMT of the annuity due
104000
250000
14 8.5
Payment needed is $3286.10
Payment needed is $3286.10
Step 1Step 1 Step 2Step 2BGN0PMT= -3,286.10
2
LO 2.LO 2.
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n =i =c = ?0.085/2 PMT = 141FV = 250 000 PV = 104 000
Extract necessary data...
a.a. Find the FV 7 years from now of the $104,000 already saved.FV = 104 000(1+.085/2)14
= $186,250.84
b.b. Subtract this value from the $250,000 target to get the FV of
the annuity.
= $63,749.16= $63,749.16
You have accumulated $104,000 in your
RRSP. Your goal is to build it to $250,000
with equal contributions every 6 months for the next 7 years. If you
earn 8.5% compounded semi-annually, and start today, find the size
of your contributions.
Formula Formula FVdue = PMT[ (1+ i)n - 1
i]*(1+ i)
$250,000 - $186,250.84
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[FV = PMT (1+ i)n - 1i ] * (1+ i)
PV = 0FV = $63,749.16
63749.16 = PMT(19.3997)
PMT = $3286.10PMT = $3286.10
n =i =c = ?0.085/2 PMT = 141
(1.0425)14 – 10.0425
* (1.0425)63749.16 = PMT ][
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find the lease payments assuming a $2,500 down payment.
+
=Purchase Price
Down Payment
Present Value of Lease Payments
Present Value of Residual Value
+=$27,900 $2,500Present Value
of $14,500Present Value of Lease Payments
Present Value of Lease Payments
= + Present Value of $14,500$25,400
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A car sells for $27,900.
The manufacturer
offers an interest rate of 1.8% compounded monthly on a three year lease. If the
residual value is $14,500, find the lease payments
assuming a $2,500 down payment.
Step 1 – Set your calculator to the “BGN mode”
BGN
Step 2 – Solve for the PMT of the annuity due
25400
14500
36 1.8
Payment needed is $322.50
Payment needed is $322.50
Step 1Step 1 Step 2Step 2BGN0PMT= 332.50
12
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n =i =c = ?0.018/12 PMT = 361Extract necessary data...
A car sells for $27,900.
The manufacturer
offers an interest rate of 1.8% compounded monthly on a three year lease. If the
residual value is $14,500, find the lease payments
assuming a $2,500 down payment.
a.a. Find the PV of the $14,500 residual value
PV = 14 500(1+.018/12)-36
= $13,738.32
b.b. PV annuity =
= $11,661.68= $11,661.68
= $27,900 - $2500 - $13,738.32SP – DP – PV of residual value
See Next
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PV = $11,661.68FV = 0
11661.68 = PMT (35.0722)
PMT = $332.50 Lease PaymentPMT = $332.50 Lease Payment
n =i =c = ?0.018/12 PMT = 361
[ ]
PVdue = PMT 1-(1+ i)-n[ i ]* (1+ i)
11661.68 = 1 - (1.0015)-36
0.0015* (1.0015)PMT
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Due How long will it take to accumulate $1 million in an RRSP if the first quarterly payment of $2000 is made today? Assume the RRSP
earns 6% compounded quarterly.
How long will it take to accumulate $1 million in an RRSP if the first quarterly payment of $2000 is made today? Assume the RRSP
earns 6% compounded quarterly.
2000
6 0
1 000 000
4
n =?PV = $0 FV = $1 000 000 i = .06/4
35.75 years35.75 years
Step 1Step 1 Step 2Step 2BGN BGN0N = 142.9
143 Quarterly
payments
143 Quarterly
payments
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…using the algebraic method to
determine Number of Payments
Formulae Formulae
PMT
FVdue i *
i1ln
1ln[ ]n
+
PMT i*
i1ln
1ln[ ]n
PVdue
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Due How long will it take to accumulate $1 million in an RRSP if the first quarterly payment of $2000 is made today? Assume the RRSP
earns 6% compounded quarterly.
How long will it take to accumulate $1 million in an RRSP if the first quarterly payment of $2000 is made today? Assume the RRSP
earns 6% compounded quarterly.
n =?PV = $0 FV = $1000000 i = .06/4
= 142.9 i.e. 143 quarterly payments= 142.9 i.e. 143 quarterly payments
= 2.1269 0.0149
or 35.75 yearsor 35.75 years
][ 1,000,000 * .015
ln (1.015)2000(1.015)
1+n =
ln
PMT
FVdue i *
i1ln
1ln[ ]n =
+ Formula Formula
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annual premium of $420 or a monthly premium of $37. In either case, the premium is due at the beginning of the period of coverage. What is the effective rate of
interest charged to those who pay monthly?
1
12BGN modeSet to
37
12 420
0
BGN0
Effective Interest rate on the monthly payment plan = 13.04%
Effective Interest rate on the monthly payment plan = 13.04%
P/Y = 12C/Y = 1I/Y = 13.04
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This completes Chapter 13This completes Chapter 13