Question 42 - 44 refer to following paragraph:

Research conducted by the Warner Television Network has shown that more people are watching TV than ever before. Experts say the growing number of programs available, as well as increased stress during the average workday, has made people want to relax in front of the TV after a hard day at the office. Networks have reduced the number of commercials shown during programs in order to remain competitive. Initially, companies were unable to handle the loss in advertising money, but recently they have added commercials between programs. With the rise in ratings, viewers can expect to see new television shows developed over the next few seasons.
42. According to the speaker, what have some companies lowered?