4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA 4.2 Calculate the cost of sales for the period (5) 1 A BI 33 3 CA