Dmit test Internet One Corporation began 2021 with retained earnings of $300 million. Revenues during the year were $520 million, and expenses totaled $350 million. Internet One declared dividends of $57 million. What was the company's ending balance of retained earnings? To answer this question, prepare Internet One's statement of retained earnings for the year ended December 31, 2021, complete with its proper heading. line of the statement.) Add: Subtotal Less: (millions)