39) October Inc. is considering purchasing equipment costing $46,300 with a 6-year useful life. The equipment will provide cost savings of $10,950 and will be depreciated straight-line over its useful life with no salvage value. October Inc. requires a 10% rate of return. Present Value of an Annuity of 1 Period 8% 9% 10% 11% 12% 15% 64.6234.4864.3554.2314.1113.784 What is the approximate internal rate of return for this investment? a.9% b.10% c.11% d.12%