Kubin Company's 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: 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? (For all requirements, do not round intermediate calculations.)