Economic Order Quantity. Genuine Gems orders a full month’s worth of precious stones at the beginning of every month. Over the course of the month, it sells off its stock, at which point it restocks inventory for the following month. It sells 200 gems per month, and the monthly carrying cost is $1 per gem. The fixed order cost is $20 per order. Should the firm adjust its inventory policy? If so, should it order smaller stocks more frequently or larger stocks less frequently?