Campbell Corporation estimated its overhead costs would be $22,200 per month except for January when t pays the $140.580 annual insurance premium on the manufacturing facility. Accordingly, the January overhead costs were expected to be $162 780 ($140,580+ $22.200). The company expected to use 7700 direct labor hours per month except during July, August, and September when the company expected 9,200 hours of direct labor each month to bulld the Christmas season. The company's actual direct labor hours were the same as the estimated hours. The company made 3.850 unit of product in each month except July, August, and September, in which it produced 4,600 units each month. Direct labor costs were $23.80 per unit, and direct materials costs were $11.30 per unit Required a. Calculate a predetermined overhead rate based on direct labor hours. b. Determine the total allocated overhead cost for January, March, and August c. Determine the cost per unit of product for January, March, and August d. Determine the selling price for the product, assuming that the company desires to earn a gross margin of $20.50 per unit Complete this question by entering your answers in the tabs below Req A Reqs B to D