The ability-to-pay principle of taxation:

A. has been declared unconstitutional because it deprives individuals of property without due process of law.
B. suggests that people should pay taxes in proportion to the benefits they derive from public goods and services.
C. suggests that taxes should vary directly with people’s income and wealth.
D. suggests that taxes should vary inversely with people’s income and wealth

C. suggests that taxes should vary directly with people’s income and wealth.