i hope its correct

Farmer Jones wants to convert his farm into a gold course. He asked you to determine his rate of return on the basis of the following estimates development cost for each of the first three years, $80,000; construction of a clubhouse in year 4, $240,000, upon his retirement in fifteen years, improvements in the property will yield him $200,000, net returns from the operation of the gold course will be nil for the first three years and $100.000 per year thereafter until his retirement Choose the correct answer below OA. ROI 12 % B. 12%