ACME Soda is considering the purchase of a special-purpose bottling machine for $28,000. The machine is expected to have a useful life of seven years with a zero terminal disposal value. The plant manager estimates the following savings in cash operating costs: ACME Soda uses a required rate of return of 16% in its capital budgeting decisions. Required Compute the payback period. Compute the net present value. Compute the accrual accounting rate of return based on net initial investment. Assume straight-line amortization. Use the average annual savings in cash operating costs when computing the numerator of the accrual accounting rate of return