You are planning to take a group of friends to the movies for your birthday. the local movie theater charges $12.99 per person. when you check the company's website, you find that they also offer a special group rate. the group rate is only $8.99 per person, but also includes a $20 reservation fee in addition. what is the minimum number of people that would need to attend your party in order for the group rate to be a better deal? a) 4 people b) 5 people c) 6 people d) 7 people