Assuming the data below describes the real each cash flow of a 9 year project with 10% discount rate all expenditure at the beginning of each period. The investment cost (for the first 4 years starting from 0), in present value terms, in year 0 is $1,403.08 and $1,867.50 at the end of year 3. What is the accrued opportunity cost of capital at the beginning of year 4?

Year 0 = -500 Year 1 = -200 Year 2 = -600 Year 3 = -300 Year 4 = +520 Year 5 = +634 Year 6 = +736 Year 7 = +785 Year 8 = +861

Select one a. $464.42 b. $196.92 c. $309.61 d. $267.50