Identifying transaction type, its effect on the accounting equation, and whether the effect is recorded with a debit or credit

Required
Identify whether each of the following transactions is an asset source (AS), asset use (AU), asset exchange (AE), or claims exchange (CE). Also explain how each event affects the accounting equation by placing a + for increase, - for decrease, and NA for not affected under each of the components of the accounting equation. Finally, indicate whether the effect requires a debit or credit entry. The first event is recorded as an example.

a. Received cash for services to be performed in the future.
b. Paid a cash dividend to the stockholders.
c. Paid cash in advance for one year€™s rent.
d. Provided services on account.
e. Provided services for cash.
f. Received cash in payment of accounts receivable.
g. Recognized revenue for services completed; cash collected previously.
h. Purchased land by paying cash.
i. Recognized accrued interest revenue.
j. Purchased supplies on account.
k. Paid salaries payable.
l. Recognized expense for prepaid rent that had been used up by the end of the accounting period.
m. Incurred other operating expenses on account.
n. Recognized expense for supplies used during theperiod.

Stockholders Equity Type of Common Retained Event Even AssetsLiabilities Stock+Earnings AS Debit +Credit NA NA