Use the Following Information to Answer the Question(s) Below

Use the following information to answer the question(s) below.
Suppose that Merck (MRK) stock is trading for $36.70 per share with 2.11 billion shares outstanding while Boeing (BA) has 697.5 million shares outstanding and a market capitalization of $38.223 billion. Assume that you hold the market portfolio.
-If you hold 1,000 shares of Merck,then the number of shares of Boeing that your hold is closest to:

A) 240 shares
B) 330 shares
C) 510 shares
D) 780 shares