Refer to the Accompanying Table $\text { Maximum Willingress to Pay (NWP) for Ice Cream }$

Refer to the accompanying table. Imagine there are two cities (City A and City R) and you are the only provider of ice cream sandwiches for both. Use this information to answer the questions. $\text { Maximum Willingress to Pay (NWP) for Ice Cream }$
$\text { Sandwiches }$
$\begin{array}{llll}\text { City A } & \text { MWP } & \text { City R } & \text { MWP } \\\text { Aladdin } & \$ 16 & \text { Richard } & \$ 15 \\\text { Alan } & \$ 12 & \text { Ramon } & \$ 14 \\\text { Alvin } & \$ 10 & \text { Robert } & \$ 13 \\\text { Albert } & \$ 8 & \text { Roger } & \$ 11 \\\text { Albus } & \$ 6 & \text { Reginald } & \$ 4\end{array}$
$\text { Unit cost is } \$ 7 \text { for each ice cream sandwich }$
-If you could charge a different price to each consumer in both cities (perfect price discrimination) , how much more would you earn compared to when you can charge a single price to everyone (monopoly) ?

A) $40
B) $39
C) $35
D) $18
E) $10