The following cost graphs illustrate various types of cost behavior: 0. Total Units Produced 0 Total Units produced Cost Graph Four For each of the following costs, identify the cost graph that best iltustrates its cost behovion as the number of units produced increases: a. Total direct materials cost b. Electriaty costs of s1,000 per month pius 50.10 per kalowatthour For each of the foliowing costs, identify the cost graph that best illustrates its cont behavior as the number of units produced increases: a. Total direct materiots cost b. Electricity costs of $1,000 per month plus s0.10 per kilowatt-hour c. Per-unit cost of stright-line depreciation on factory equipment d. Salary of quality control supervisor, $20,000 per month e. Per-unit direct labor cost