1:14 Done Cousework 1 2021.docx Question 1 The following costs were reported by ABC Company Period Units produced Costs (8) 680 4520 600 4320 800 4600 4800 4532 - 2 4 5 840 720 a. Use the High-low Method to calculate the fixed costs per month and the variable costs per unit. (5 marks) b. The following costs were observed over several periods in a manufacturing company Production level (units) Total costs (5) Period 58 Period 2 64 Period 3 9 82 Period 4 Periods Period 6 8 9 11 74 90 96 Required Using the Least Square Method of linear regression, determine the: i. variable cost per units and total fixed cost (17 marks) ii. total cost at an estimated production level of 12 units and 14 units (4 marks) (Total 25 marks) mortion