The following information relates to Questions 2-3: Imperial Ltd manufactures a single product that it sells for 40 per unit. The company has the following cost structure: Last year there was no beginning inventory. During the year, 30,000 units were produced and 28,000 units were sold Under marginal (variable) costing, the unit manufacturing cost would be: A 14 per unit B E18 per unit C E15 per unit D. E16 per unit E I do not wish to anewer this question. F c.13 per unit