At what point in a product's life cycle do companies typically expand their product mix? Select one:
O a. Introduction
O b. Growth
O c. Maturity
O d. Decline

C) if they want to expand their product mix then that means that they know that it will probably be successful and they have already had their introduction and their growth so at this point they are just trying to make sure and get more products out on the market.

C. of listed purchases in a billing cycle.