The Following Inventory Transactions Occurred at Zapata,Inc $\quad$ $\quad$

The following inventory transactions occurred at Zapata,Inc.which uses a perpetual inventory system:
October 2 $\quad$ $\quad$ Purchased 50 units of inventory from a supplier on cre dit. The goods cost $\$ 30$ each and the credit terms were $2 / 10, \mathrm{n} / 15$ The shipping costswere $\$ 100$ under the terms FOB de stination
October 4 $\quad$ $\quad$ Returned 5 units of inventory to the supplier for credit on account.
October 6 $\quad$ $\quad$ Sold 15 units for $\$ 50$ each to customers for cash.
October 7 $\quad$ $\quad$ Accepted a return of one unit of inventory from the customer for a cash refund.
October 11 $\quad$ $\quad$ Paid the supplier for one-half of the inventory purchased on October 2 nd.
October 17 $\quad$ $\quad$ Paid the remaining balence owed to the supplier. Record the appropriate journal entry for each of these transactions.