At the beginning of Year 1, Oak Consulting had the following normal balances in its accounts: Account Balance Cash $ 32,900 Accounts receivable 15,900 Accounts payable 10,800 Common stock 24,200 Retained earnings 13,800 The following events apply to Oak Consulting for Year 1: Provided $68,000 of services on account. Incurred $3,000 of operating expenses on account. Collected $49,100 of accounts receivable. Paid $35,300 cash for salaries expense. Paid $12,420 cash as a partial payment on accounts payable. Paid a $8,300 cash dividend to the stockholders. e. What is the amount of change in retained earnings for the year?