3 Saved Help Save & Exit Submit boints P ebook Prin Exercise 16-14A (Algo) Determining the unadjusted rate of return LO 16-4 Rooney Painting Company is considering whether to purchase a new spray paint machine that costs $2,200 The machine is expected easing net income by $220 per year. The effective life of the machine is 15 years according to the manufacturer's to save labo estimate Required a. Determine the unadjusted rate of return based on the average cost of the investment (Enter your answer as a whole percentage (e.g. 0.55 should be entered as 55).) Unadjusted rate of return Check my work