Assume the company had no beginning or ending work-in-process balances. Production (units) 25 Direct materials $ 250 Direct labour $ 400 Overhead $ 225 Selling & Adm Exp $ 180 Total $ 1,055 What were the total prime costs last month? A/ What was the total per-unit prime cost last month? What were the total conversion costs last month? What was the per-unit conversion cost last month? What was the amount of cost of goods manufactured last month? What was the per unit cost of the product last month