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In each of the following Home Depot proposals determine the number of years that the given end-of year-cash flow must continue to provide the given rate of return on the given initial amount.

Case Initial amount Annual cash flow Rate of return

A $ 1,000 $ 250 11%

B 150,000 30,000 15

C 80,000 10.000 10

D 600 275 9

E 17,000 3.500 5