The firm is subject to a 40% tax rate. The company's cost of capital is 8%. The estimated earnings before depreciation, interest, and taxes over the 5 years for both the new and the existing grinder are shown in the following table. Earnings before depreciation, interest, and taxes Year New grinder Existing grinder 1 2 3 4 5 $53,000 53,000 53,000 53,000 53,000 $26,000 24,000 22,000 20,000 18,000 b. Determine the incremental operating cash flows associated with the proposed grinder replacement. c. Use the estimated