Suppose an Airline Ticket from Portland to Orlando Costs $760

Suppose an airline ticket from Portland to Orlando costs $760. A bus ticket costs $360. Traveling by plane will take 6 hours, compared with 26 hours by bus. Other things constant, the minimum value of one's time that would induce a rational individual to fly rather than drive would be

A) $18 per hour.
B) $20 per hour.
C) $38 per hour.
D) $44 per hour.