The adjusted trial balance for China Tea Company at December 31, 2018, is presented below:

Debit

Cash 11,700

Accounts receivable 162,000

Prepaid rent 6,200

Inventory 37,000

Equipment 420,000

Costs of goods sold 240,000

Salaries expense 132,000

Rent expense 27,000

Depreciation expense 42,000

Interest expense 3,200

Advertising expense 3,700

Credit

equipment 137,000

Accounts payable 42,000

Notes payable - due in three months 42,000

Salaries payable 5,200

Interest payable 2,200

Common stock 260,000

Retained earnings 76,400

Sales revenue 520,000

Record the entry to close the income summary account.

Income Summary = ?

Retained earnings = ?