Security Service Company adjusts its accounts at the end of the month. On November 30, adj...

Security Service Company adjusts its accounts at the end of the month. On November 30, adjusting entries are prepared to record:

a. Depreciation expense for November.

b. Interest expense that has accrued during November.

c. Revenue earned during November that has not yet been billed to customers.

d. Salaries, payable to company employees, that have accrued since the last payday in November.

e. The portion of the company’s prepaid insurance that has expired during November.

f. Earning a portion of the amount collected in advance from a customer, Harbor Restaurant.

Indicate the effect of each of these adjusting entries on the major elements of the company’s income statement and balance sheet—that is, on revenue, expenses, net income, assets, liabilities, and owners’ equity. Organize your answer in tabular form, using the column headings shown and the symbols I for increase. D for decrease, and NE for no effect. The answer for adjusting entry a is provided as an example.