Hadley Corp. is considering the purchase of a new piece of equipment. The cost savings from the equipment would result in an annual increase in cash flow of $140,000. The equipment will have an initial cost of $340,000 and have a 5 year life. If the salvage value of the equipment is estimated to be $40,000, Interest is 10% a. What is the accounting rate of return? b. What is the payback? c. What is the net present value