After 1980 in the United States, Select one: a. national saving fell below investment and net capital outflow was a large positive number. b. investment fell below saving and net capital outflow was a large positive number. c. national saving fell below investment and net capital outflow was a large negative number. d. investment fell below saving, so net capital outflow was a large negative number.

Based on what you learned about time management which of these statements are true

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

You are to receive five gold coins from your great uncle as an incentive to study hard. the coins were originally purchased in 1982. your great uncle will deliver the coins the week after finals (assuming your grades are "acceptable"). the amount your great uncle paid for the coins is a(n): indirect cost. overhead cost. opportunity cost. sunk cost.