Delta Airlines offers three fare classes (call them H, M and L) on its flight from Salt Lake City (SLC) to Chicago (ORD). The ticket prices are $600, $400 and $200 respectively. Flight capacity is 250 seats. Suppose the booking limit for L is 150, and the protection level for H is 40.

10. What is the booking limit for the M fare?

A. 250

B. 210

C. 200

D. 150

E. 100

F. 60

G. 40

H. Cannot be determined from the information provided.