I need help on the following linked questions

Scott's Cycles sells merchandise on credit terms of 2/15, N/30. A sale invoiced at $1,500 (cost of sales $975) was made to S. Allen on February 1, 2015. Scott's Cycles uses a perpetual inventory system. Prepare the journal entry to record: The credit sale; The collection of the account on February 9, 2015; and The collection of the account on March 2, 2015, instead of February 9, 2015