10. 2.119 An investment of $75,000 in equipment that will reduce the time for machining and packaging self-locking fasteners will save $20,000 per year. At an interest rate of 10% per year, the number of Page 78years required to recover the initial investment is closest to:

1. 9 years 2. 7 years 3. 5 years 4. 3 years