calculate the internal rate of return (IRR) of project L considering the following estimated data: initial cost at time 0=$1,000. After-tax end-of-year cash inflows are as follows: first year:$500; Second year: $400; Third year: $300; Fourth year: $100. the risk Adjusted cost of capital (WACC) is 10%

A. 18.1%

B. 15.56%

C. 14.49%

D. 10%