...Facebook said that it paid $19 billion to buy messaging company WhatsApp. Shares rose 2.3% to $69.93 on Thursday. Facebook options trading volume was running at nearly three times its daily average Thursday as investors picked up bullish options. The most-actively traded contract was March $85 call options, which grant the right to buy shares at that price through March 21....One block of 1,500 March $85 call options traded at midday for 24 cents... What is the breakeven price for this investor?

A. 83.29

B. 84.37

C. 85.24

D. 86.18