Exercise 1-8 Product Costs and Period Costs; Variable and Fixed Costs [LO1-3, LO1-4] Kubin Company's relevant range of production is 29,000 to 33,000 units. When it produces and sells 31,000 units, its average costs per unit are as follows: Required: 1. For firiancial accounting purposes, what is the total amount of product costs incurred to make 31,000 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 31,000 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 33,000 units? 4. For financiat accounting purposes, what is the total amount of period costs incurred to sell 29,000 units? (For all requirements, do not round intermediate calculations.)