Aero Serve, Inc. manufactures cleaning nozzles for reverse pulse jet dust collectors. The company spent $40,000 on a production control system that will increase profits by $11,096 per year for 5 years. The rate of return per year on the invest­ment is closest to:

(a) 20%
(b) 16%
(c) 12%
(d) Less than 11%


40,000 = 11,096(P/A,i,5)
(P/A,i,5) = 3.6049
i = 12 %
Answer is (c)

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