The most serious problem with aggression is that

a. we remove the obstacle that's the cause of our frustration.
b. it's sometimes necessary to change our goals.
c. it can cause property damage.
d. we aim it at people or things that aren't the cause of our frustration

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?