6. Gomi Waste Disposal is evaluating a project that would cost 55,700 dollars today. The project is expected to produce annual cash flows of 4,220 dollars forever with the first annual cash flow expected in 1 year. The NPV of the project is 21,167 dollars. What is the cost of capital of the project? Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098.