An expаnsiоn аt а small cоmpany wоuld increase sales revenues by $150,000 per year and cash operating expenses by $47,000 per year. The initial investment would be for equipment that would cost $328,000 and have an 8 year life with no salvage value. The annual depreciation on the equipment would be $41,000. The simple rate of return on the investment is closest to (Ignore income taxes.):