Smoothie Vibes prepared the following sales budget: Month March April May June Budgeted Sales $6,000 $10,000 $13,000 $20,000 The expected gross profit rate is 20% and the inventory at the end of February was $15,000. Desired inventory levels at the end of the month are 10% of the next month's cost of goods sold. What is the desired ending inventory on May 31? CE O A. $1,600 OB. $400 O c. $16,000 OD. $1,040