Pinot Company purchases $100$ percent of Cabernet Company on January $1,2021,$ when Pinot's retained earnings balance is $$520,000$ and Cabernet's is $$150,000.$ During $2021,$ Cabernet reports $$15,000$ of net income and declares $$6,000$ of dividends. Pinot reports $$105,000$ of separate operating earnings plus $$15,000$ of equity$-$method income from its $100$ percent interest in Cabernet; Pinot declares dividends of $$40,000.$

Based on the preceding information, what is Pinot's post$-$closing retained earnings balance on December $31,2021?$

Group of answer choices

$$480,000$

$$640,000$

$$529,000$

$$600,000$