Suppose a student is in the 10% tax bracket. Once he begins college, he can choose a $3900 deduction or a $2200 credit to offset tuition and fees. Which option will reduce his tax bill by the greater amount? What is the difference in his savings between the two options?

Suppose that two countries, britain and the u.s. produce just one good - beef. suppose that the price of beef in the u.s. is $2.80 per pound, and in britain it is £3.70 per pound. according to ppp theory, what should the $/£ spot exchange rate be? suppose the price of beef is expected to rise to $3.10 in the u.s. and to £4.65 in britain. what should be the one year forward $/£ exchange rate?