27 logging firms use a forest to collect timber. Each firm / must choose how many trees to cut, 9. The benefit of cutting a tree is 1000 - 5 G per tree, where G is the total quantity of trees cut in the forest. The marginal cost of cutting a tree is 20 Firms do not face any fixed costs. What is the best response function for firm /? 980 - 1092 10 196 - 2, = 1,1 = 19/ 0 91= 2 980 - gj 0 9i= 20 196 - 92 10