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4 percent return on his retirement investment, how much will retirement account at the end of 30 years? 3.15 Rockwell Machine is considering building a manufacturing plant that takes three years to complete. The plant is expected to generate a revenue of $500,000 per year at the end of each year of operation for 10 years (year 4 through 13). If Rockwell earns 8 percent on its investment, what is the maximum price that Rockwell is willing to pay for this investment opportunity? 3.16 An aviation company is planning to replace equipment in 10 years with an expected cost of $1,500,000. The company is planning to invest an equal amount of money at the end of each year only for the first five years with no further investment through year 10. If the company can earn 12 percent on its investment, how large must the size of uniform deposit be in the first five years to accumulate $1,500,000 at the end of the 10 years? 3.17 Precision Machine is signing a 10-year lease contract with a lease payment schedule of $40,000 at the end of each year for the first five years, $60,000 at the end of year 6, and increases of $20,000 at the end of each year through year 10. If Precision could earn 8 percent on its investment, how much does Precision need to deposit today to make all scheduled lease payments in the next 10 years? 3.18 Legacy Airport, which anticipates a significant increase in the number of passengers, is planning to construct a five-story