What adjusts to restore general equilibrium after a shock to the economy?

When the price of popcorn falls, before there is any change in consumption, the

A) marginal utility of popcorn definitely increases. B) marginal utility per dollar from popcorn definitely increases. C) total expenditure on popcorn definitely rises. D) entire total utility of popcorn curve definitely shifts rightward.

If private investment had held up as well as consumption did, the economic contraction from 1929 to 1933 would have been less severe than it was

Indicate whether the statement is true or false