Taco Casa is considering installing touch screen terminals for patrons to place their food orders. A terminal can typically accommodate the placement of 15 orders each hour while a human can process 20 orders each hour. If employee costs are $7.50/hour in wages and $4.50/hour in taxes, benefits and insurance, what is the per order opportunity cost of a touch screen?

You purchased a roundtrip ticket to a friend's wedding in Cleveland on Saturday for $400, but on Sunday you discover your return flight is canceled due to weather. The airline will not be able to get you back home until late Monday but Greyhound has an overnight bus route that arrives at 6:00am Monday for $60. What is the opportunity cost of missing work on Monday?