Several Sales Transactions and Purchasing Activities for Yu Company Are

Several sales transactions and purchasing activities for Yu Company are described below. Yu Company uses a perpetual inventory system.
-Refer to the information provided for Yu Company. For each of the items above, describe its economic effects on the company's accounting equation.
A)Yu Company purchased merchandise from Mia Company on credit.
B)Yu Company returned to Mia Company defective merchandise before payment is made.
C)Yu Company pays for the merchandise purchased from Mia Company.
D)Yu Company sells merchandise to its customers for cash and on credit.
E)Credit customers returned merchandise to Yu Company for a refund.
F)Credit customers pay their account balances to Yu Company.