4.1$ per labor hour came from req A. I can not figure out this one

Stuant Corporation estimated its overhead costs would be $23,100 per month except for January when it pays the $10t.640 annual. insurance premium on the manulacturing facility. Accordingly, the January overhead costs were expected to be $124,740 ( $101,640+ 523,100) The company expected to use 7,100 direct labor hours per month except during July, August, and September when the company expected 9.500 hours of direct labor each month to build inventories for high demand that normally occurs during the Chistmas season. The company's actual direct labor hours were the same as the estimated hours. The company made 3,550 units of product in each month except July. August, and September, in which it produced 4.750 units each month. Direct labor costs were $23.40 per unit, and direct materials costs were $10.50 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 $2010 per unit. Complete this question by entering your answers in the tabs below. Determine the total allocated overhead cost, the cost per unit of product and the selling price for the product for zanuary. March, and August. Assume that the company desires to earn a gross margin of $20,10 per unit. (Do not cound intermediate calculations, Round "Cost per unit" and "Selling price per unit" to 2 decimal places. Round your total allocated overhead cost