What types of risk can firms mitigate using futures contracts?

A monopolist increases output from 4 to 5 units. His total revenue increases from $2,750 to $3,600 . Which of the following inferences is true? a. The marginal revenue from the 4th unit is $850

b. The marginal revenue from the 5th unit is $850. c. The total cost of producing the 5th unit is $850. d. The profit earned from producing the 5th unit is $850.

Movements in the exchange rate will shift the aggregate demand curve of an economy

a. True b. False Indicate whether the statement is true or false