Carly Company's most recent income statement is given below. Sales (8,000 units) Less variable expenses Contribution margin Less fixed expenses Net income Contribution margin per unit is: $160,000 (68,000) 92,000 (50,000) $42,000 $ per unit If sales are doubled total variable costs will equal: $ If sales are doubled total fixed costs will equal: If 20 more units are sold, profits will increase by: $ $