Green Products prepared the following sales budget:

Month Budgeted Sales

March $$6000$

April $$11,000$

May $$13,000$

June $$16,000$

The expected gross profit rate is $20\%$ and the inventory at the end of February was $$11,000.$ Desired inventory levels at the end of the month are $30\%$ of the next month's cost of goods sold.

What are the total purchases budgeted for May?

$$10,400$

$$9680$

$$11,120$

$$13,520$