3. Pizza King and Noble Greek are two competing restaurants. Each must determine simultaneously whether to undertake small, medium, or large advertising campaigns. Pizza King believes that it is equally likely that Noble Greek will undertake a small, a medium, or a large advertising campaign. Given the actions chosen by each restaurant, Pizza King's profits are as shown in Table 2. For the maximin, maximax, and minimax regret criteria, determine Pizza King's choice of advertising campaign.

Table 2:

Noble Greek Chooses

Pizza King Chooses Small Medium Large

Small $6,000 $5,000 $2,000

Medium $5,000 $6,000 $1,000

Large $9,000 $6,000 $0