Smoothie Vibes prepared the following sales budget: Budgeted Sales Month March April May June $5,000 $10,000 $15,000 $12,000 The expected gross profit rate is 20% and the inventory at the end of February was $10,000. Desired inventory levels at the end of the month are 10% of the next month's cost of goods sold. What are the total purchases budgeted for April? A. $8,400 B. $800 C. $8,800 D. $7,600