A Local Charity Has Decided to Solicit Donations Door-To-Door -How Should a Volunteer Allocate 10 Hours in Order to Table

A local charity has decided to solicit donations door-to-door. The table below shows estimated donations for each hour a volunteer spends in the city, in the suburbs, and on campus.

$\begin{array}{cccc}&&\text { Total Donations fiom: }\\\text { Number of Hours } & \text { The city } & \text { The suburbs } & \text { Campus } \\\hline 1 & \$ 75 & \$ 65 & \$ 45 \\2 & 147 & 127 & 87 \\3 & 215 & 185 & 125 \\4 & 279 & 239 & 159 \\5 & 337 & 289 & 189 \\6 & 380 & 333 & 200\end{array}$
-How should a volunteer allocate 10 hours in order to maximize the amount of total donations?

A) 3 hours in the city, 4 hours in the suburbs, 3 hours on campus
B) 4 hours in the city, 3 hours in the suburbs, 3 hours on campus
C) 5 hours in the city, 4 hours in the suburbs, 1 hours on campus
D) 6 hours in the city, 4 hours in the suburbs, 0 hours on campus
E) none of the above