College students who increase their human capital by acquiring the skills required for certain occupations typically earn higher incomes than high school graduates. This is called:

In the figure above, the value on the x-axis increases as we move from

A) point G to point A. B) point C to point A. C) point F to point A. D) point E to point A.

A progressive tax means

a. people who make more money pay less total taxes b. the marginal tax rate increases as income increases c. the percentage of income paid out decreases as income increases d. people who are poor receive the proceeds of the tax e. the same thing as a flat-rate tax