Bowman Corporation is considering an investment in special-purpose equipment to enable the company to obtain a four-year govemment contract for the manufacture of a special item. The equipment costs $300,000 and would have no salvage value when the contract expires at the end of the four Years. Estimated annual operating results of the project are as follows: Revenue from contract sales S325,000 Expenses other than depreciation $225,000 Depreciation (straight-line basis) 75,000(300,000) Increase in net income from contract work S 25,000 All revenue and all expenses other than depreciation will be received or paid in cash in the same period as recognized for accounting purposes. Compute the following for Bowman's proposal to undertake the contract work: a. Payback period. b. Return on average investment. c. Net present value of the proposal to undertake contract work, discounted at an annual rale of 12 percent. (Refer to annuity table in Exhibit 26-4.)