Firm V Was Worth $450 and Firm a Had a Market

Firm V was worth $450 and Firm A had a market value of $375.Firm V acquired Firm A for $425 because they thought the combination of the new Firm VA was worth $925.What is the synergy from the merger of Firm V and Firm A?

A) $50
B) $100
C) $475
D) $500
E) None of the above.