Time left 0:30:19 If firms in a monopolistically competitive market are incurring economic losses, which of the following scenarios would best reflect the change facing incumbent firms (who are able to stay in the market) as the market adjusts to its new equilibrium? O a. an increase in demand O b. a decrease in demand O c. a downward shift in their marginal cost curve O d. an upward shift in their marginal cost curve Clear my choice