Respuesta :

Answer:

The answer is 13500$.

Explanation:

a) at P = 150$, Qd = 80.

b) at P = 150, Qs = 20.

c) produce surplus = 1/2 x 20 x (150 -100)

                              = 500$.

d) at equilibrium, P = 250 $

= 1/2 x 60 x (550 -100)

= 13500$.