Which of the following is an example of the shoeleather costs of inflation?
a. tito's restaurant has to print new menus to update its prices compared to other prices in the economy
b. during bolivia's hyperinflation, workers rushed to immediately convert their wages from pesos to black-market dollars
c. beto sells stocks and earns a real capital gain of $50, but is taxed for the nominal capital gain of $75
d. the after-tax real interest rate is lower when inflation is higher

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things