Shoe Town and Fancy Foot are both vying for more share of the market. If Shoe Town does no advertising, it will not lose any share of the market if Fancy Foot does nothing. It will lose 2% of the market if Fancy Foot invests $10,000 in advertising, and it will lose 5% of the market if Fancy Foot invests $20,000 in advertising. On the other hand, if Shoe Town invests $15,000 in advertising, it will gain 3% of the market if Fancy Foot does nothing; it will gain 1% of the market if Fancy Foot invests $10,000 in advertising; and it will lose 1% if Fancy Foot invests $20,000 in advertising.

Develop a payoff table for this problem.