Again suppose PI = $40 and F = 50, what is the lowest price that will induce firms to supply 400 units of output?

Again suppose PI = $40 and F = 50, what is the lowest price that will induce firms to supply 400 units of output? A. $15 b. 20 c. 25 d. 30 e. 35 Suppose PI = $40, F = 50, and the demand function is Qd = 700 ! 6P, then if government sets a price of $50 what will be the result? A. a shortage of 120 b. a surplus of 120 c. a shortage of 160 d. a surplus of 160 Suppose PI = $40, F = 50, and the demand function is Qd = 700 ! 6P, then if government sets a price of $30 what will be the result?