Determine the internal rate of return for a project that costs -$156,000 and would yield after-tax cash flows of $24,000 the first year, $26,000 the second year, $29,000 the third year, $31,000 the fourth year, $35,000 the fifth year, and $41,000 the sixth year. 5.07% 4.07% 4.54% 3.91% 4.82%