The general ledger of the Karlin Company, a consulting company, at January 1, 2021, contained the following account balances:

Account Title	Debits		Credits
Cash	30,000
Accounts receivable	15,000
Equipment	20,000
Accumulated depreciation			6,000
Salaries payable			9,000
Common stock			40,500
Retained earnings			9,500
Total	65,000		65,000

The following is a summary of the transactions for the year:

1. Service revenue, $100,000, of which $30,000 was on account and the balance was received in cash.
2. Collected on accounts receivable, $27,300.
3. Issued shares of common stock in exchange for $10,000 in cash.
4. Paid salaries, $50,000 (of which $9,000 was for salaries payable at the end of the prior year).
5. Paid miscellaneous expense for various items, $24,000.
6. Purchased equipment for $15,000 in cash.
7. Paid $2,500 in cash dividends to shareholders.

1. Accrued salaries at year-end amounted to $1,000.
2. Depreciation for the year on the equipment is $2,000.

Required: 3. Post the transactions, adjusting and closing entries into the appropriate t-accounts. 4. Prepare an unadjusted trial balance. 6. Prepare an adjusted trial balance. 7-a. Prepare an income statement for 2021. 7-b. Prepare a balance sheet as of December 31, 2021. 9. Prepare a post-closing trial balance.