Required information [The following information applies to the questions displayed below.] Kubin Company's relevant range of production is 20,000 to 23,000 units. When it produces and sells 21,500 units, its average costs per unit are as follows: Required: 1. For financial accounting purposes, what is the total amount of product costs incurred to make 21,500 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 21,500 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 23,000 units? 4. For financial accounting purposes, what is the total amount of period costs incurred to sell 20,000 units? (For all requirements, do not round intermediate calculations.)