Exercice 6 Merlu inc, uses 255,500 units of raw materials per year at a relatively constant rate. The detention cost per unit is 4.25 dollars and the costs of an order amounted to $ 80. Annual order fees Total annual cost per year 1. Complete the following table : Size of an order Average stock Detention costs 1 200 1 600 2 000 6 000 8 000 8 500 2- What is the optimal quantity to order