Problem $2.$ Two airlines offer one flight per day from Sioux Falls to Chicago. Airline A is small and can only choose between a low$-$capacity or a medium$-$capacity airplane, while Airline B has access to high$-$capacity airplanes. The airlines make their decisions simultaneously and independently. The entries in the table represent the profits of Airline A $($in bold$)$ and Airline B given each combination of capacity decisions.