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	$	13,300		$	9,800
2020		19,200			12,000
2021		21,400			12,600
2022		21,400			12,600

In addition to these cash flows, Aaron expects to pay $20,400 for the equipment. He also expects to pay $3,500 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 $1,700 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

1. 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.

Can you please throughly explain how to get the NPV could you also show your work when working out the equation. Thanks.