Kingsport Containers Company makes a single product that is subject to wide seasonal variations in demand. The company uses a job-order costing system and computes predetermined overhead rates on a quarterly basis using the number of units to be produced as the allocation base. Its estimated costs, by quarter, for the coming year are given below Quarter Direct materials Direct labor Manufacturing overhead First Second Third Fourth $200,000 $100,000 50,000 $150,000 120,000 60,000 30,000 90,000 240,000 216,000 204,000 Total manufacturing costs (a) $560,000 $376,000 $284,000 S ? Number of units to be produced (b) Estimated unit product cost (a + b) 80,000 40,000 20,000 60,000 $ 7.00 $ 9.40 14.20 ? Management finds the variation in quarterly unit product costs to be confusing and difficult to work with. It as been suggested that the problem lies with manufacturing overhead because it is the largest element of total manufacturing cost. Accordingly, you have been asked to find a more a ppropriate way of assigning manufacturing overhead cost to units of product Required: 1-a Using the high-low method, estimate the fixed manufacturing overhead cost per quarter and the variable manufacturing overhead cost per unit. (Round the unit" to 2 decimal places.) "Variable manufacturing overhead per Fixed manufacturing overhead cost per quarter Variable manufacturing overhead per unit