Required information A potential investment has a cost of $395,000 and a useful life of 7 years. Annual cash sales from the investment are expected to be $267,382 and annual cash operating expenses are expected to be $105,332. The expected salvage value at the end of the investment's life is $35,000. The company has a before-tax discount rate of 17%. equired: alculate the following. (Round dollar amounts to the nearest whole dollar and IRR to one decimal place (i.e. .055 = 5.5% ). Enter gative amounts with a minus sign.)