The following cost data represents average cost per unit for 15,000 units of production. Average cost per unit ($) Direct materials 12 Direct labour 10 Indirect materials Fixed manufacturing overhead Variable manufacturing overhead Fixed selling and administrative expenses Sales commissions 2 4 8 3 25 Required: 0 If 10,000 units are produced, what is the variable cost per unit? ii) If 18,000 units are produced, what is the variable cost per unit? If 21,000 units are produced, what are the total variable costs? If 21,000 units are produced, what are the total variable costs? V) If 19,000 units are produced, what are the total manufacturing overhead costs? vi) If 23,000 units are produced, what are the total manufacturing overhead costs? vi) If 19,000 units are produced, what are the per unit manufacturing overhead costs? viii) If 25,000 units are produced, what are the per unit manufacturing overhead costs