- Required information A process for producing the mosquito repellant Deet has an initial investment of $155,000 with annual costs of $45,000. Income is expected to be $90,000 per year. What is the annual breakeven production quantity for both payback periods if net profit, that is, income minus cost, is $10 per gallon? (Consider the rounded values of years calculated in part a. Also, round your answer to the nearest integer.) When i = 0%, the annual breakeven production quantity is determined to be gallons per year. When i = 12%, the annual breakeven production quantity is determined to be gallons per year