Flagstaff Company has budgeted production units of 9,100 for July and 9,300 for August. The direct materials requirement per unit is 2 ounces (oz.). The company requires to have safety stock of direct materials on hand at the end of each month to complete 20% of the units of budgeted production in the following month. There was 3,640 ounces of direct material in inventory at the start of July. The total ounces of direct materials to be purchased in July is: Multiple Choice 21,920 oz. 18.120 OZ 18,600 OZ 18,200 O2