Information related to Riverbed Co. is presented below.

a. On April 5, purchased merchandise on account from Tamarisk Company for $36,000, terms 3/10, net/30, FOB shipping point.
b. On April 6, paid freight costs of $920 on merchandise purchased from Tamarisk.
c. On April 7, purchased equipment on account for $30,500.
d. On April 8, returned damaged merchandise to Tamarisk Company and was granted a $4,200 credit for returned merchandise.
e. On April 15, paid the amount due to Wilkes Company in full.

Required:
Prepare the journal entries to record these transactions on the books of Kerber Co. under a perpetual inventory system.