75. Cleaners, Inc. is considering purchasing equipment costing $30,000 with a 6-year useful life. The equipment will provide cost savings of $7,300 and will be depreciated straight-line over its useful life with no salvage value. Cleaners, Inc. requires a 10% rate of return. What is the approximate internal rate of return for this investment? Present Value of an Annuity of 1 Period 8% 9% 10% 11% 12% 15% 6 4.623 4.486 4.355 4.231 4.111 3.784 a) 9% b) 10% c) 11% d) 12%