Cullumber Co. estimates that variable costs will be 70% of sales and fixed costs will total $2,458,500. The selling price of the product is $11.00, and 780,000 units will be sold. Using the mathematical equation, Compute net income. Net income $ Cullumber Co. estimates that variable costs will be 70% of sales and fixed costs will total $2,458,500. The selling price of the product is $11.00, and 780,000 units will be sold. Using the mathematical equation, Compute net income. Net income $