Required information A potential investment has a cost of $455.000 and a useful life of 7 years. Annual cash sales from the investment are expected to be $195,112 and annual cash operating expenses are expected to be $76,862. 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: Ealculate the following. (Round dollar amounts to the nearest whole dollar and IRR to one decimal place (Le.. 055=5.5% ). Enter egative amounts with a minus sign.)