Sander Enterprises prepared the following sales budget: Month March April May June Budgeted Sales $7,000 $10,000 $15,000 $12,000 The expected gross profit rate is 10% and the inventory at the end of February was $9,000. Desired inventory levels at the end of the month are 30% of the next month's cost of goods sold. What is the budgeted cost of goods sold for May? O A. $10,800 O B. $13,500 O C. $1,500 OD. $4,500