In Terms of a Promotional Schedule, Businesses Such as Ski

In terms of a promotional schedule, businesses such as ski resorts, airlines, and professional sports teams are likely to reduce their promotional activity

A) when competitors leave the market.
B) during the off-season.
C) only when sales are down more than 10 to 20 percent.
D) if they find cheaper social media options to be effective.
E) when the target audience becomes younger.