GAUSS8 2000 Problem 7

During the week, the Toronto Stock Exchange made the following gains and losses:

\begin{array}{llll} \text { Monday } & -150 & \text { Thursday } & +182 \\ \text { Tuesday } & +106 & \text { Friday } & -210 \\ \text { Wednesday } & -47 & & \end{array}

What was the net change for the week?

Answer Choices
A. a loss of 119
B. a gain of 119
C. a gain of 91
D. a loss of 91
E. a gain of 695