*Please explain how to solve this question, not sure if i'm doing this correctly or not*

Problem 1 (Ignore taxes for this problem) 2 points Ether Inc. is considering an option to buy injection molding machinery and has gathered the following information regarding this investment: The initial cost is estimated to be $180,000 and the machinery is expected to have a useful life of 5 years. Ether Inc.requires a minimum rate of return of 8%, and has calculated the following data pertaining to the purchase and operation of this machinery: Estimated Annual Estimated Annual Year Cash Inflows Depreciation Cash Outflows 1 $ 40,000 $8,000 $28,000 2 $50,000 $18,000 $28,000 3 $75,000 $22,000 $28,000 4 $105,000 $35,000 $28,000 5 $110,000 $50,000 $28.000 Determine Ether Inc.'s payback period, accounting rate of return, and NPV for this investment