Trish receives $550 on the first of each month. Josh receives $550 on the last day of each month. Both Trish and Josh will receive payments for next four years. At a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?
A. |
$184.63 |
|
B. |
$198.61 |
|
C. |
$194.43 |
|
D. |
$188.59 |
|
E. |
$173.31 |
The difference is computed as shown below:
Present value if received at the end of month is computed as follows:
Present value = Monthly payment x [ (1 – 1 / (1 + r)n) / r ]
r is computed as follows:
= 9.5% / 12
= 0.791666667%
n is computed as follows:
= 4 x 12
= 48
So, the amount will be as follows:
= $ 550 x [ (1 - 1 / (1 + 0.00791666667)48 ) / 0.00791666667 ]
= $ 21,892.17 Approximately
Now if we received the amount at the beginning, then we need to multiply the above amount by (1 + r) as shown below:
= $ 21,892.17 x (1 + 0.00791666667)
= $ 22,065.48 Approximately
So, the difference will be as follows:
= $ 22,065.48 - $ 21,892.17
= $ 173.31
So, the correct answer is option E.
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