Refer to the Following:
the Following Payoff Matrix Shows the Profit

Refer to the following:
The following payoff matrix shows the profit outcomes for three projects, A, B, and C, for each of two possible product prices. There is a 60% probability the price will be $10 and a 40% probability the price will be $20.
$\begin{array}{l}\text { Profit }\\\begin{array}{l|c|c|}\hline \text { Project }&P=\$ 10 & P=\$ 20 \\\hline A&20 & 80 \\\hline B&40 & 60 \\\hline C&-26 & 140 \\\hline\end{array}\end{array}$
-Using the mean variance rule a decision maker would choose

A) A.
B) B.
C) C.
D) can't use this rule under these circumstances