This Payoff Matrix Gives Values for Strategies S1, S2, and S3

This payoff matrix gives values for strategies S1, S2, and S3 for the Bigg Company and competitive strategies CA1, CA2, and CA3 for the Large Company. From Bigg's point of view, the S1 maximum regret for CA1 is 8.
CA1 CA2 CA3
S1 8 5 12
S2 9 14 3
S3 16 13 20