Use the Schedule Below to Answer the Question

Use the schedule below to answer the question.
The Terrible Twos (G, 90 min.)
1:00 pm
3:45 pm
5:30 pm
8:00 pm
I'll Be Seeing You (PG-13, 97 min.)
11:10 am
1:00 pm
3:20 pm
5:45 pm
7:30 pm
Creature Lake (PG-13, 109 min.)
11:45 am
1:15 pm
3:30 pm
6:00 pm
8:45 pm
The Mummy's Revenge (R, 120 min.)
11:30 am
2:00 pm
4:45 pm
7:30 pm
10:00 pm
Home on the Range (R, 90 min.)
1:15 pm
3:00 pm
6:45 pm
10:15 pm
The Asteroid (R, 105 min.)
2:00 pm
3:15 pm
5:30 pm
7:45 pm
Adult general admission $10.00.
Children's admission $5.00
· Students are offered a $2.50 discount on all movies starting before 6:00 pm.
· Seniors receive a 50% discount on all shows starting before noon.
How many movies could a student see at the discounted price?

A) 12
B) 21
C) 18
D) 15