Kilmer Corporation began the year with retained earnings of $310,000. During the year, the company issued $420,000 of common stock, recorded expenses of $1,200,000, and paid dividends of $80,000. If Kilmer's ending retained earnings was $330,000, what was the company's revenue for the year? $1,640,000 $1,720,000 $1,220,000 $1,300,000?