Blue Spruce, Inc. is considering purchasing equipment costing $72000 with a 6-year useful life. The equipment will provide annual cost savings of $17514 and will be depreciated straight-line over its useful life with no salvage value. Blue Spruce 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?