If Sarah Worked for a Hollywood Prediction Market That Forecasts

If Sarah worked for a Hollywood prediction market that forecasts opening-weekend film revenues, what factors should she consider in her forecast?
I. the number of screens at movie theaters in the country
II. the popularity of the cast of the movie
III. the movies' special effects budget, and its director and producer

A) I only
B) I and III only
C) II and III only
D) I, II, and III