I8. A lake supports a deliciuus variety of sh. The lmd armnd the lake is owned by No sherman. so by state law both are free to sh as much as they like. Let F .. and Fa be the number of sh each catches. respectively. Suppose the price of sh is [00 F. Fa. Given this demand curve. it turns out that marginal revenue is 100 - 2F; - F, for sherman a. and 100 FA 2!} [tr sherman B. What is [he tam! number of sh by bell! in the Nash equilibtium? a. 60 b. 45 c. 30