Elizabeth Myers invested in a project that required an initial amount of $1,560, and returned one cash inflow of $12,000 at the end of the 18th year. A partial table of the present value of an annuity of $1 in arrears is as follows: Year 2% 4% 6% 8% 10% 12% 14% 16% 18 0.700 0.494 0.350 0.250 0.180 0.130 0.095 0.069 What is the internal rate of return for this investment? 8% 14% 12% 16% 10%