Specialization and trade allow countries to consume beyond their PPFs

Suppose a poverty program has a basic benefit of $10,000, and a family can earn up to $20,000 before losing all welfare benefits. The marginal tax rate is ________ percent.

A. 0.5 B. 2.0 C. 0.2 D. 0.10

(Figure: Good X) From the figure, the maximum price that consumers are willing to pay for _____ units of Good X is _____ per unit.

Fill in the blank(s) with the appropriate word(s).