I have to complete a table. These are the columns given in the table.

I have to complete a table. These are the columns given in the table.
Cash – Land – Notes Payable- Common Stock – Retained Earnings
complete with the following entries:
1. received $70,000 cash for providing services to customers
2. paid rent expense, $15,000
3. purchased land for $10,000 cash
4. paid $5,000 on note payable
5. paid operating expenses, $42,000
6. paid cash dividend, $4,000
a) Record the transactions in the appropriate general ledger accounts.
– Record the amounts of revenue, expense, and dividends in the Retained Earnings column.
– Provide appropriate titles for these accounts in the last column of the table.
b) What is the amount of total assets as of December 31, 2011?
c) What is the amount of total stockholders’ equity as of December 31, 2011?
Any help? i haven’t taken an accounting course in quite a few years!