Required information [The following information applies to the questions displayed below.] Kubin Company's relevant range of production is 19,000 to 20,000 units. When it produces and sells 19,500 units, its average costs per unit are as follows: Average Cost per Unit Direct labor Direct materials Variable manufacturing overhead $ 7.90 $ 4.90 $ 2.40 Fixed manufacturing overhead $ 5.90 Fixed selling expense $ 4.40 Fixed administrative expense $ 3.40 Sales commissions $ 1.90 Variable administrative expense $ 1.40 Required: 1. If 19,000 units are produced and sold, what is the variable cost per unit produced and sold? 2. If 20,000 units are produced and sold, what is the variable cost per unit produced and sold? 3. If 19,000 units are produced and sold, what is the total amount of variable cost related to the units produced and sold? 4. If 20,000 units are produced and sold, what is the total amount of variable cost related to the units produced and sold? 5. If 19,000 units are produced, what is the average fixed manufacturing cost per unit produced? 6. If 20,000 units are produced, what is the average fixed manufacturing cost per unit produced? 7. If 19,000 units are produced, what is the total amount of fixed manufacturing overhead incurred to support this level of