The data below has been taken from the cost records of the Parker Company. The data relate to the manufacturing costs of producing one of its products and number of units produced. Month Units Produced January 8,000 February 4,500 March 7,000 April May June 9,000 3,750 6,000 3,000 5,000 Total Direct Materials Costs $12,000 6,750 10,500 13,500 5,625 9,000 4,500 7,500 Total Direct Labour Costs $4,000 2,250 3,500 4,500 1,875 3,000 1,500 2,500 Total Overhead Costs $20,000 13,000 18,500 23,500 10,500 16,500 8,500 14,500 July August Required: a. Using High-Low Point Method, estimate the total monthly fixed manufacturing costs and the variable manufacturing cost per unit. (5 marks) b. Assume that 4,800 units are expected to be produced in the month of September, and then compute the following expected costs for the month of September: 1. Total prime costs. (2 marks) 2. Total conversion costs. (2 marks) 3. Total manufacturing costs. (2 marks) 4. Variable manufacturing overhead costs per unit. (2marks) 5. Fixed manufacturing overhead costs per unit. (2marks)