A small town has two competing grocery stores, store R and store C. Every week each store decides to

A small town has two competing grocery stores, store R and store C. Every week each store decides to advertise its specials using either a newspaper ad or a mailing. The following payoff matrix indicates the percentage of market gain or loss for each choice of action by store R and store C.

Use linear programming and a geometric approach to find optimal strategies for store R and store C.