5 Question 5 (1 point)

A firm has the following short-run cost schedule: Q=0, TC=$50; Q=1, TC=$58; Q=2, TC = $62; Q=3, TC=$64; Q=4, TC=$65; Q=5, TC=$67; Q=6, TC=$71; Q=7, TC=$78; Q=8, TC=$88; Q=9, TC=$102; Q=10, TC=$121 What is the firm's marginal cost when Q=4?

Question 5 options:

a)

$0

b)

$1

c)

-$1

d)

$2