The following transactions pertain to Smith Training Company for Year 1:
Jan. 30 Established the business when it acquired $45,000 cash from the issue of common stock.
Feb. 1 Paid rent for office space for two years, $24,000 cash.
Apr. 10 Purchased $3,200 of supplies on account.
July 1 Received $24,000 cash in advance for services to be provided over the next year.
20 Paid $1,500 of the accounts payable from April 10.
Aug. 15 Billed a customer $18,000 for services provided during August.
Sept. 15 Completed a job and received $8,400 cash for services rendered.
Oct. 1 Paid employee salaries of $12,000 cash.
15 Received $15,000 cash from accounts receivable.
Nov. 16 Billed customers $42,000 for services rendered on account.
Dec. 1 Paid a dividend of $15,000 cash to the stockholders.
        31 Adjusted records to recognize the services provided on the contract of July 1.
        31 Recorded $3,600 of accrued salaries as of December 31.
        31 Recorded the rent expense for the year. (See February 1.)
        31 Physically counted supplies; $280 was on hand at the end of the period.

Required
a. Record the preceding transactions in the general journal.
b. Post the transactions to T-accounts and calculate the account balances.
c. Prepare a trial balance.
d. Prepare the income statement, statement of changes in stockholders’ equity, balance sheet, and statement of cash flows.
e. Prepare the closing entries at December 31.
f. Prepare a trial balance after the closing entries are posted.