Z-Mart purchased $1,800 of merchandising on December 5. On December 7 it returned $200 worth of merchandise. On December 8, it paid the balance in full, taking a 2% discount. The amount of the cheque was?

Z-Mart purchased $1,800 of merchandise on December 5. On December 7 it returned $200 worth of merchandise. On December 8, it paid the balance in full, taking a 2% discount. The amount of the cheque was: $1,800 $200 $1,568 $1,600 $1,564