determining the un adjusted rate of return

Exercise 16-14A (Algo) Determining the unadjusted rate of return LO 164 Vemon Painting Company is considering whether to purchase a new spray paint machine that costs $6,000. The machine is expected to sove tabof, increasing net income by $900 per yeat. The effective life of the machine is 15 years according to the manufacturer's estimate. Required a. Determine the unadjusted rate of return based on the werage cost of the investment. Ginter your answer as a whole percentage (ep, 0.55 should be entered as 55).)