Economics 14th Edition by James Gwartney,Richard Stroup, Russell Sobel ,David Macpherson

تمرين 3

It takes one hour to travel from New York City to Washington, D.C., by air, but it takes five hours by bus. If the airfare is $110 and the bus fare is $70, which would be cheaper for someone whose opportunity cost of travel time is $6 per hour? For someone whose opportunity cost is $10 per hour? $14 per hour?