At the point where a firm incurs diminishing marginal returns, total product will begin to decline

As a percentage of total federal revenues the corporate income tax has _____

a. increased since 1960 b. declined since 1960 c. fallen during the 1980s, but risen since 1992 d. remained fairly constant since 1960

When the U.S. dollar depreciates in relation to the Swiss franc:

a. a U.S. importer will need more dollars to pay for an invoice denominated in Swiss francs. b. a Swiss exporter will receive more Swiss francs for an invoice denominated in the exporter's currency. c. Swiss imports of U.S. goods will fall. d. the Swiss franc is now worth less in terms of the U.S. dollar. e. a U.S. exporter will receive fewer dollars for an invoice denominated in Swiss francs.