The following are the transactions for Happy Industries:

6/1 Raw materials on hand was 1,000 units valued at 2,000

6/3 Purchased 5,000 units on account amounting to 11,000

6/4 issued 800 units to production

6/5 returned 500 units to supplier

6/6 issued 2,200 units to production

6/8 Purchased 8,000 units at 2.10 per unit

6/10 Issued 2,000 units to production

6/11 Paid supplier and was awarded a 2% cash discount

6/15 Issued 3,500 units to production

6/20 Purchased 3,500 units at 2.05 per unit

Using FIFO method , how much is cost of materials issued?