Required information Skip to question [The following information applies to the questions displayed below.] Kubin Companys relevant range of production is 13,000 to 18,000 units. When it produces and sells 15,500 units, its average costs per unit are as follows: Average Cost per Unit Direct materials $ 7.40 Direct labor $ 4.40 Variable manufacturing overhead $ 1.90 Fixed manufacturing overhead $ 5.40 Fixed selling expense $ 3.90 Fixed administrative expense $ 2.90 Sales commissions $ 1.40 Variable administrative expense $ 0.90 Required: 1. For financial accounting purposes, what is the total amount of product costs incurred to make 15,500 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 15,500 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 18,000 units? 4. For financial accounting purposes, what is the total amount of period costs incurred to sell 13,000 units?