A newly-issued eighteen-year Treasury security can be stripped into __________ separate zero coupon securities

The above figure shows the demand and cost curves for a monopolist. What is the maximum economic profit this firm can make?

A) zero B) $400 C) $100 D) $200

The slope of a line is the change in the y-axis variable divided by the change in the x-axis variable

Indicate whether the statement is true or false