Observers of the economy often complain that indicators of economic activity are often contradictory. This is an example of the ________ lag

Fiscal policy

A) uses the tool of interest rates to stimulate private savings. B) uses the tools of taxation and spending in an effort to address inflation and unemployment. C) uses the tool of the exchange rate to discourage imports. D) uses the tool of business regulation to increase economic efficiency.

If a seller's marginal cost is $25, and the price at which the good is sold is $15, the producer surplus is ________

A) -$10 B) $10 C) $15 D) $25