Exercise 1-8 Product Costs and Period Costs; Variable and Fixed Costs [LO1-3, LO1-4] Kubin Company's relevant range of production is 21,000 to 25,000 units. When it produces and sells 23,000 units, its average costs per unit are as follows: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense Sales commissions Variable administrative expense Average Cost per Unit $ 8.10 $ 5.10 $ 2.60 $ 6.10 $ 4.60 $ 3.60 $ 2.10 $ 1.60 Required: 1. For financial accounting purposes, what is the total amount of product costs incurred to make 23,000 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 23,000 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 25,000 units? 4. For financial accounting purposes, what is the total amount of period costs incurred to sell 21,000 units? (For all requirements, do not round intermediate calculations.)