Myklebust Corporation's relevant range of activity is 4,160 units to 8,320 units. When it produces and sells 6,240 units, its average costs per unit are as follows: Required: a, For financial reporting purposes, what is the total amount of product costs incurred to make 6,240 units? b. For financial reporting purposes, what is the total amount of period costs incurred to sell 6,240 units? c. If the selling price is $21.40 per unit, what is the contribution margin per unit sold? Note: Round "Per unit" answer to 2 decimal places. d. If 7,280 units are produced, what is the total amount of direct manufacturing cost incurred? e. If 7,280 units are produced, what is the total amount of indirect manufacturing cost incurred? f. What incremental manufacturing cost will the company incur if it increases production from 6,240 to 6,241 units? Note: Round "Per unit" answer to 2 decimal places