7. Two television networks, ABC and DEF, are competing for viewer rating in prime time. ABC is considering a new talk show, a game show, and an educational documentary show. DEF is considering a sports highlights show, a mystery drama, and a variety show. The following payoff matrix shows the estimated gain by ABC in audience ratings for the pairings of shows. DEF talk game educational sports 10 -5 15 ABC mystery 20 15 10 variety -10 -10 5 The networks are prepared to air their shows in a random manner. Find the optimal strategy of each network and the expected value