Smoothie Vibes prepared the following sales budget: Month March April Budgeted Sales $6,000 $11,000 May June $13,000 $11,000 The expected gross profit rate is 20% and the inventory at the end of February was $8,000. Desired inventory levels at the end of the month are 30% of the next month's cost of goods sold. What is the desired beginning inventory on June 1? OA. $3,120 OB. $8,800 C. $660 D. $2,640