CellPhone Corporation began $2024$ with retained earnings of $$300$ million. Revenues during the year were $$510$ million, and expenses totaled $$300$ million. CellPhone declared dividends of $$57$ million. What was the company's ending balance of retained earnings? To answer this question, prepare CellPhone's statement of retained earnings for the year ended December $31,2024,$ complete with its proper heading. $($Enter all amounts in millions. Enter a net loss with a minus sign or parentheses. Include a subtotal after the "Add" line of the statement.$)$

CellPhone Corporation

Statement of Retained Earnings

Year Ended December $31,2024$

$($millions$)q,$

Subtotal $$