What is the DISCOUNTED payback period (decimal YEARS) for an investment of $48,000 with an annual investment income of $6,000 starting at the end of the first year (i=6% annual).
Year | Cash flows | Present value@6% | Cumulative Cash flows |
0 | (48000) | (48000) | (48000) |
1 | 6000 | 5660.38 | (42339.62) |
2 | 6000 | 5339.98 | (36999.64) |
3 | 6000 | 5037.72 | (31961.92) |
4 | 6000 | 4752.56 | (27209.36) |
5 | 6000 | 4483.55 | (22725.81) |
6 | 6000 | 4229.76 | (18496.05) |
7 | 6000 | 3990.34 | (14505.71) |
8 | 6000 | 3764.47 | (10741.24) |
9 | 6000 | 3551.39 | (7189.85) |
10 | 6000 | 3350.37 | (3839.48) |
11 | 6000 | 3160.73 | (678.75) |
12 | 6000 | 2981.82 | 2303.07(Approx). |
Hence discounted Payback period=Last period with a negative cumulative cash flow+(Absolute value of cumulative cash flows at that period/Cash flow after that period).
=11+(678.75/2981.82)
=11.23 years(Approx).
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