carrying cost of a pair of shoes is $$2\mathrm{.}50$ per pair.

Read the requirements.

Requirement $1.$ Use the EOQ model to determine the optimal number of pairs of shoes per order.

Begin by selecting the formula used to calculate EOQ. Demand in units for one year, $P=$ Ordering cost per purchase order, $C=C$ arrying cost of one unit in stock, $Q=$ Any order quantity.