A company is considering the purchase of a new piece of equipment that costs $51,800 and will have a salvage value of $5,180 after 9 years. Using the new piece of equipment will increase annual cash flows by $6.180. Required: a. What is the payback period for the new piece of equipment? b. Suppose that the increase in cash flows was $10,180 in the first year, then decreased by $1,000 each year over the life of the equipment. What is the payback period for the equipment?