Nettie can produce either 8 cupcakes or 4 hamburgers. becky can produce either 4 cupcakes or 8 hamburgers. suppose that nettie and becky each specialize in the production of the good for which they have a comparative advantage and decide to trade. the terms of trade are 1 cupcake for 1 hamburger. after trade, how many hamburgers will nettie consume if becky consumes 4 hamburgers? how many cupcakes will becky consume if nettie consumes 4 cupcakes?

Simon, aged 10, is invited to a classmate's birthday party at an exclusive ski resort on march 15th. the day will include 4 hours of snowboarding, lunch and birthday cake. simon's mother checks a box on the invitation that says "yes, we will attend" and returns it to the classmate's address. unfortunately, they later don't attend the party when simon comes down with the flu. on march 17th, simon's mother receives an invoice in the mail from simon's classmate for $35 that says, "party no-show fee." can simon's classmate collect the fee?