1. After visiting family in another state, Bryan can fly home for $300, or take a Greyhound bus for $125. If he flies, he'll get back two days sooner. If Bryan can earn $100/day working, and can work whenever he likes as long as he is home, which mode of transport is less costly from an economic perspective? a. Bus. Airplane. b c. Both options have the costfrom an economic perspective. cl Cannot be determined