4) Atlantic Superstores is researching the best way to buy and inventory its new line of Joe Fresh parkas. Information on the line of parkas is provided below. Annual quantity of parkas sold each year: 12,000 Cost of holding one parka in inventory for one year: $4.50 Cost of placing an order with the suppliers: $375.00 a) Calculate the EOQ for the line of parkas (3 Marks) b) Calculate the number of orders per year. Round up to the nearest whole number