QUESTION 3 A partial listing of costs incurred at Rust Corporation during August appears below: RM Direct materials 135.000 11,000 Factory Utilities Sales Commissions Administrative salaries Indirect labour Advertising 69,000 101.000 29.000 94,000 31,000 Depreciation of production equipment Direct labour Depreciation of administrative equipment 73,000 40,000 Required: Compute the total amount of product cost listed above. (7 marks) Compute the total amount of period cost listed above. (6 marks) "The variable cost per unit varies with output, whereas the fixed cost per unit is constant." mmDo you agree? Explain. (7 marks) "Only variable costs can be differential. ivDo you agree? Explain. (5 marks) (Total: 25 Marks)