Under annual cash flow analysis, if projects A and B are of unequal lives but are for a continuing requirement with identical replacement after their respective useful lives, the analysis period is a. the maximum life of the alternatives. b. 8. the minimum life of the alternatives. always the common project life. c. d. the respective life of each alternative. In calculating the rate of return, which of the following forms of cash flows are used? b. PW costs-PW benefits. c. Net present worth 0 d. All of the above. The method selected depends on the structure of the cash flows