# 4. The following data are available for the CORP, Inc. and the single product it makes: Unit selling price $20 Variable Cost per unit.. $12 $280,000 Annual Fixed Cost. $1,500,000 Average Operating Assets... How many units must the CORP sell each year to have an ROI of 15%? a) 63,125 units b) 11,250 units c) 25,250 units d) 31,175 units e) 45, 750 units