Required information (The following information applies to the questions displayed below.) Ramort Company reports the following for its single product. Ramort produced and sold 20,000 units this year. Direct materials Direct labor Variable overhead Fixed overhead Variable selling and administrative expenses Fixed selling and administrative expenses Sales price $10 per unit $12 per un $3 per unit $ 40,000 per year $2 per unit $ 65,200 per year $60 per unit Ramort doubles its production from 20,000 to 40,000 units while sales remain at the current 20,000 unit level. (a) Compute contribution margin when production is 40,000 units under variable costing. (b) What is the change in contribution margin by increasing production from 20,000 units to 40,000 units under variable costing? Complete this question by entering your answers in the tabs below. Required A Required B Compute contribution margin when production is 40,000 units under variable costing. Variable expenses RAMORT COMPANY Contribution Margin (Variable Costing) Contribution margin D