The Marginal Benefit to Lasca of Weekend Vacations During the Year

Multiple Choice

The marginal benefit to Lasca of weekend vacations during the year at a local resort are given by the following schedule: $$\begin{array} { c c } \text { Number of Weekend Vacations } & \text { Marginal Benefít } \\1 & \$ 600 \\2 & \$ 550 \\3 & \$ 475 \\4 & \$ 325 \\5 & \$ 250 \\6 & \$ 180\end{array}$$ If the marginal cost of a weekend vacation at the local resort is constant and equal to $350, how many weekends at the local resort is Lasca likely to enjoy?

A) 2
B) 3
C) 4
D) 5
E) 6