Larkspur, Inc. is considering purchasing equipment costing $44000 with a 6-year useful life. The equipment will provide annual cost savings of $10703 and will be depreciated straight-line over its useful life with no salvage value. Larkspur requires a 10% rate of return. 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. What is the approximate internal rate of return for this investment? 12% O 10% 9% O 11%