Break-Even Sales Under Present and Proposed Conditions Darby Company, operating at full capacity, sold 129,600 units at a price of $66 per unit during the current year. Its income statement is as follows: Sales Cost of goods sold $8,553,600 3,036,000 Gross profit Expenses: $5,517,600 Selling expenses $1,518,000 Administrative expenses 902,000 Total expenses 2,420,000 $3,097,600 Income from operations The division of costs between variable and fixed is as follows: Variable Fixed Cost of goods sold 60% 40% Selling expenses 50% 50% 30% 70% Administrative expenses Management is considering a plant expansion program for the following year that will permit an increase of $792,000 in yearly sales. The expansion will increase fixed costs by $105,600, but will not affect the relationship between sales and variable costs. Required: 1. Determine the total variable costs and the total fixed costs for the current year. Total variable costs Total fixed costs 2. Determine (a) the unit variable cost and (b) the unit contribution margin for the current year.