K Green Products prepared the following sales budget: Budgeted Sales $4,000 $10,000 $13,000 $17,000 Month March April May June The expected gross profit rate is 10% and the inventory at the end of February was $13,000. Desired inventory levels at the end of the month are 30% of the next month's cost of goods sold. What is the desired ending inventory on May 31? OA. $3,510 B. $4,590 OC. $510 OD. $15,300