Internal Rate of Return Method

The internal rate of return method is used by Testerman Construction Co$.$ in analyzing a capital expenditure proposal that involves an investment of $$113,550$ and annual net cash flows of $$30,000$ for each of the six years of its useful life.

$\backslash$table$[[$Present Value of an Annuity of $$1$ at Compound Interest,$],[$Year$,6\%,10\%,12\%,15\%,20\%$