Aaron Heath is seeking part-time employment while he attends school. He is considering purchasing technical equipment that will enable him to start a small training services company that will offer tutorial services over the Internet. Aaron expects demand for the service to grow rapidly in the first two years of operation as customers learn about the availability of the Internet assistance. Thereafter, he expects demand to stabilize. The following table presents the expected cash flows: Year of Operation Cash Inflow Cash Outflow 2019 $ 13,600 $ 9,900 2020 20,100 11,400 2021 21,700 12,900 2022 21,700 12,900

I know that this question has been similarly answered on Chegg already; my issue is that I don't understand how people are calculating their answers, so I can't imitate it and find my solution. I appreciate the help!

Exercise 10-6A Determining net present value LO 10-2 Aaron Heath is seeking part-time employment while he attends school. He is considering purchasing technical equipment that will enable him to start a small training services company that will offer tutorial services over the Internet. Aaron expects demand for the service to grow rapidly in the first two years of operation as customers learn about the availability of the Internet assistance. Thereafter, he expects demand to stabilize. The following table presents the expected cash flows: Year of Operation Cash Inflow Cash Outflow 2019 $ 13,600 $ 9,900 2020 20,100 11,400 2021 21,700 12,900 2022 21,700 12,900 In addition to these cash flows, Aaron expects to pay $21,400 for the equipment. He also expects to pay $2,700 for a major overhaul and updating of the equipment at the end of the second year of operation. The equipment is expected to have a $1,000 salvage value and a four year useful life. Aaron desires to earn a rate of return of 12 percent. (PV of $1 and PVA of $1) (Use appropriate factor(s) from the tables provided.) Required a. Calculate the net present value of the investment opportunity. (Negative amount should be indicated by a minus sign. Round intermediate calculations and final answer to 2 decimal places.) b. Indicate whether the investment opportunity is expected to earn a return that is above or below the desired rate of return and whether it should be accepted. Net present value b. Will the return be above or below the cost of capital? Should the investment opportunity be accepted