Kubin Company's relevant range of production is 28,000 to 31,500 units. When it produces and sells 29,750 units, its average costs per unit are as follows: Average Cost per Unit Direct materials $ 8.80 Direct labor in Variable manufacturing overhead $ 3. 30 Fixed manufacturing overhead 5 6. 80 Fixed selling expense 5. 30 Fixed administrative expense 4. 30 Sales commissions 2 . 80 Variable administrative expense 2. BO Required: 1. For financial accounting purposes, what is the total amount of product costs incurred to make 29,750 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 29,750 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 31,500 units? 4. For financial accounting purposes, what is the total amount of period costs incurred to sell 28,000 units