Suppose that you are the finance minister and you have just received information from your research team that a consumer good you are about to include in a draft tax law is produced in a market where there is monopolistic competition. What does this information tell you? 

a. There are several competing monopolistic firms that produce a non-homogeneous product

b. That there is a monopoly that competes with a large number of small firms producing a homogeneous product

c. that there is a large number of firms producing a homogeneous product

d. that there is a large number of firms producing a non-homogeneous product