Smoothie Vibes prepared the following sales budget Month Budgeted Sales March $4.000 April $11,000 May $14,000 June $10,000 The expected gross profit rate is 30% 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 is the budgeted cost of goods sold for May? O A $1,400 B. $9,800 OC. $4,200 D. $3,000