A process for producing the mosquito repellant Deet has an initial investment of $185,000 with annual costs of $47,000. Income is expected to be $90,000 per year.
What is the payback period at i = 0% per year? At i = 12% per year? (Note: Round your answers to the nearest integer.)
The payback period at i = 0% is determined to be ........years.
The payback period at i = 12% is determined to be ........ years.
Initial Cost = 185,000
Annual Cost = 47,000
Annual Income = 90,000
Net Annual Income = 90,000 – 47,000 = 43,000
If the interest rate = 0%, the payback period will be similar to simple payback period.
Simple payback period = Initial Cost / Net Annual Revenue
Simple payback period = 185,000 / 43,000 = 4.3 years or 4 years (rounding off)
a. The payback period at i = 0% is determined to be 4.3 years.
b. The payback period at i = 12% is determined to be ........ years.
Calculate the discounted payback period.
Year |
CF |
PV Factor |
DCF |
CCF |
0 |
$-185,000 |
1 |
$-185,000 |
$-185,000 |
1 |
$43,000 |
0.89 |
$38,392.86 |
$-146,607.14 |
2 |
$43,000 |
0.8 |
$34,279.34 |
$-112,327.81 |
3 |
$43,000 |
0.71 |
$30,606.55 |
$-81,721.26 |
4 |
$43,000 |
0.64 |
$27,327.28 |
$-54,393.98 |
5 |
$43,000 |
0.57 |
$24,399.35 |
$-29,994.62 |
6 |
$43,000 |
0.51 |
$21,785.14 |
$-8,209.49 |
7 |
$43,000 |
0.45 |
$19,451.02 |
$11,241.53 |
Payback Period = 6 + [-8209.49 – 0 ÷ -8209.49 – (11,241.53)]*1 = 6.42 years
The payback period at i = 12% is determined to be 6.42 years.
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