Question

A firm has an inverse demand function P = 30 – 2Q. It has a fixed cost of 50, and a per unit variable cost of 5. This firm breaks even at the output level(s):
a.
Q = 0
b.
Q = 15 and Q =50
c.
Q = 15 and Q = 30
d.
Q = 2.5 and Q = 10
e.
Q = 55