What was the delivered cost of purchases for June? What was the net delivered cost of purchases for June?

On June 30, 2016, the general ledger of the Shoe Closet, a retail store, showed the following balances: Purchases $19,000; Freight In, $500; Purchases Returns and Allowances, $900. Determine the following: A) What was the delivered cost of purchases for June? B) What was the net delivered cost of purchases for June