Need help multiple choice

How is a politician similar to an entrepreneur? a. Each advances a project solely in the public interest. b. Each advances a project only if the expected marginal benefits equal the expected marginal costs. c. Each advances a project only if the expected marginal benefits exceed the expected marginal costs. d. Each advances a project only if they impose no negative externalities. Suppose Acme County Bank and Trust has $1 million in total deposits and the required reserve ratio is 5%. How many dollars is Acme bank allowed to use to seek profits? a. 0 b. $50,000 c. $500,000 d. $950,000 e. Trick question: banks aren't allowed to seek profit. Laura purchased a brand new Pontiac for $20,000. The moment she assumed ownership, and drove it off the lot, its market value immediately fell to $17,500. Is the $2,500 difference in value a sunk cost? a. No. b. Yes it is, but only if Laura regrets her decision to have purchased the new Pontiac. c. Yes it is, but only if Laura receives no compensating benefit from the new Pontiac. d. Yes it is, but only if Laura decided to immediately resell the car. e. Yes it is, period. Drivers who enter an expressway during the rush hour create negative externalities whenever they a. could have taken another route. b. drive under the speed limit. c. fail to yield as they merge. d. have no other passengers in their vehicles. e. inadvertently slow down all the drivers behind them. When total costs are greater than total revenue, a. fixed costs must be high. b. a firm is suffering losses. c. a firm should shut down immediately. d. the firm must be producing on the elastic range of its demand curve