A hardware store sells paint that has a demand of 9,621 gallons per year. The store purchases the paint from a supplier for 18.3 dollars per gallon The unit holding cost per year is 21 percent of the unit purchase cost. while the ordering cost is 103 dollars per order. The paint supplier has a lead time of 8 days. What is the optimal number of orders per year? Assume EOQ model is appropriate. Use at least 4 decimal places