Please assist with this questions

41.-43. Pinnacle Products Inc. is comparing the cash flows generated by its current production facility with the estimated cash flows that may be generated by a new facility. The Finance Department at Pinnacle has gathered the following information. Current annual sales are $1,200,000. If the new facility comes on line, annual sales are expected to to be 20% higher. Current annual operating costs are $900,000. If the new facility comes on line, annual operating costs are expected to be 10% higher. Total annual "Depreciation Expense" at the current production facility is $100,000. Annual "Depreciation Expense" is expected to to be $25,000 higher if the new production facility comes on line. "Depreciation Expense" is not included in the annual operating costs described above. The firm's marginal tax rate is 35%. Given this information, please calculate the following: a. Pinnacle Products' current annual after-tax operating cash flow based on operations at the current production facility. 6b. Pinnacle Products' proposed annual after-tax operating cash flow at the new production facility. c. The incremental annual operating cash flow that will occur if Pinnacle invests in the proposed new production facility