Question 9 1.5 pts At what discount rate will you be indifferent between the following project options: Option 2 Option 1 1,000 800 140 Capital Cost ($Mn) Annual Operating Cost ($Mn/yr) Annual Benefits ($Mn/yr) Useful Life (years) 10% of capital cost 400 50% of capital cost| 20 20 (your answer must be rounded off to the nearest %, i.e., no decimal places)