. XYZ company opened its business on 01/01/20x1. During 20x1, it had revenue of $250,000, expenses of $150,000, and no dividends. During 20x2, it had revenue of $500,000, expenses of $200,000, and dividends of $50,000. What was the amount of retained earnings at the end of the year 20x2?

A. 100,000

B. 250,000

C. 450,000

D. None of the above

Your answer (A, B, C, or D)

Show your calculation in detail.