At the end of last year jefferson motors had 100,000 shares of common stock with a balance of $185,000, retained earnings of $710,000, and total stockholders equity of $895,000. This year jefferson paid a dividend of $80,000 and its end of year retained earnings were $790,000. What was the net income of jefferson motors for this year?

With the information provided you simply calculate the difference between your beginning and ending Retained Earnings and add the dividends paid, which will equal your net income for the year.