On June 1, Z-Kola Company purchased on account merchandise inventory with a list price of $26,500 with terms of 2/10, n/30.

a) If Z-Kola records merchandise inventory using the net cost method, what journal entry did it make to record this purchase?

b) Assuming the facts above, what journal entry would it make to record full payment for the merchandise on June 21?

c) Assuming Z-Kola records merchandise inventory using the gross invoice price method (and not the net price method assumed for parts a) and b), what entry would it make to record the return on June 3 of some of the merchandise having a list price of $5,800 just purchased .