Consider a three-year project with the following information: initial fixed asset investment = $678,000; straight-line depreciation to zero over the four-year life; zero salvage value; price = $33.15; variable costs = $22.10; fixed costs = $205,500; quantity sold = 91,500 units; tax rate = 40 percent. Required: How sensitive is QCF to changes in quantity sold? (Do not round intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).) Delta OCF/delta Q $