Presented below are selected transactions of Molina Company. Molina sells in large quantities to other companies and also sells its product in a small retail outlet.

March 1   Sold merchandise on account to Dodson Company for $5,000, terms 2/10, n/30.
3   Dodson Company returned merchandise worth $500 to Molina.
9   Molina collected the amount due from Dodson Company from the March 1 sale.
15   Molina sold merchandise for $400 in its retail outlet. The customer used his Molina credit card.
31   Molina added 1.5% monthly interest to the customer’s credit card balance.

Prepare journal entries for the transactions above.