Answer:
a. narrower target market
Step-by-step explanation:
The narrow target market is the market in which it targets to its core customers that means those customers who use the products mostly and also their spending power is high. It involves advantage like competitive strategies etc
Here in the given situation since the television industry is changed so for business strategy point of view the newer network would be narrower target market and the same is to be considered
hence, the option is a.