In \(1979\) Mr. Jackson bought a total of \(n\) shares of stock \(X\) and Mrs. Jackson bought a total of \(300\) shares of stock \(X.\) If the couple held all of the respective shares throughout \(1980,\) and Mr. Jackson's \(1980\) dividends on his \(n\) shares totaled \(\$150,\) what was the total amount of Mrs. Jackson's \(1980\) dividends on her \(300\) shares?
(1) In \(1980\) the annual dividend on each share of stock \(X\) was \(\$0.75.\)
(2) In \(1979\) Mr. Jackson bought a total of \(200\) shares of stock \(X.\)
Answer: D
Source: Official Guide