The following events apply to Oak's Consulting for 2016: 1. Provided $185,000 of services on account. 2. Incurred $45,800 of operating expenses on account. 3. Collected $140,000 of accounts receivable. 4. Paid $120,000 cash for salaries expense. 5. Paid $31,400 cash as a partial payment on accounts payable. 6 . Paid an $10,000 cash dividend to the stockholders. e. What is the amount of change in retained earnings for the year