1-Dec Began business by depositing $9500 in a bank account in the name of the company in exchange for 950 shares of $10 per share common stock. 1-Dec Paid the rent for the current month, $850 . 1-Dec Paid the premium on a one-year insurance policy, $1320 . 1-Dec Purchased Equipment for $4200 cash. 5-Dec Purchased office supplies from XYZ Company on account, $300 . 15-Dec Provided services to customers for $6800 cash. 16-Dec Provided service to customers ABC Inc. on account, $4600 . 21-Dec Received $2200 cash from ABC Inc., customer on account. 23-Dec Paid $170 to XYZ company for supplies purchased on account on December 5 . 28-Dec Paid wages for the period December 1 through December 28, $5040 . 30-Dec Declared and paid dividend to stockholders $200 . How do I figure out retained earnings?