i do not understand, the other chegg person was wrong too

PLEASE help

7 Part 2 of 2 Required information [The following information applies to the questions displayed below) Kubin Company's relevant range of production is 23,000 to 27.500 units. When it produces and sells 25,250 units, its average costs per unit are as follows 56 oints Average cost Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Fixed administrative expense sales commissions Variable danistrative expense $ 0.0 $ 3. $ 2.0 56. $.4.1 $ 3.50 $ 2.30 $ 1.5 Required 1. For financial accounting purposes, what is the total amount of product costs incurred to make 25,250 units? 2. For financial accounting purposes, what is the total amount of period costs incurred to sell 25.250 units? 3. For financial accounting purposes, what is the total amount of product costs incurred to make 27.500 units? 4. For financial accounting purposes, what is the total amount of period costs incurred to sell 23.000 units? (For all requirements, do not round intermediate calculations.) Answer is complete but not entirely correct. Total amount of product costs 573,175 2. Total amount of period costs incurred $ 320 675 3. Tout of produd costs $ 624250 6 Total amount of period costs $ 292.100