Exercise 10-9A (Static) Determining the internal rate of return LO 10-3 Gerty Manufacturing Company has an opportunity to purchase some technologically advanced equipment that will reduce the company's cash outflow for operating expenses by $640,000 per year. The cost of the equipment is $3,932,522.88. Gerty expects it to have a 10-year useful life and a zero salvage value. The company has established an investment opportunity hurdle rate of 9 percent and uses the straight-line method for depreciation. (PV of $1 and PVA of $1) Note: Use appropriate factor(s) from the tables provided. Required Calculate the internal rate of return of the investment opportunity. Note: Do not round intermediate calculations. Indicate whether the investment opportunity should be accepted. a. Internal rate of return % b. Should the investment opportunity be accepted