Solve the Problem $p = 40 - \sqrt { 0.0001 x + 2 },$

Multiple Choice

Solve the problem.
-A publisher determines that how many books they sell depends on the price of the book. The demand function representing this isrepresenting this is $p = 40 - \sqrt { 0.0001 x + 2 },$ where p represents the price per book in dollars, and x represents the
Number of books sold. If the publisher wants to sell 8,000,000 copies of the book, what price must they charge?

A) $30.94
B) $11.68
C) $68.32
D) -$242.85