The following are transactions of Walker, Inc.

a. On March 4, sold merchandise on account for $58,000 with terms of 2/15, n/30.

b. On March 18, payment was received on $42,000 worth of merchandise sold on March 4.

c. On April 8, further collections were made on $10,000 of merchandise sold on March 4.

Record the journal entries for each transaction using the Net Price Method and the Gross Price Method.