The primary objective of the federal income tax law is to raise revenue. What are its secondary objectives? A. Social and public policy objectives, (e. g. encouraging charitable contributions and discouraging illegal bribes). B. Encouraging certain activities such as research and development and small business investment. C. Economic objectives such as stimulating private investment, reducing unemployment, and mitigating the effects of inflation. D. All of the above

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Which one of the following statements is true? ddt does not prevent disease from passing from agricultural animals to humans. cost was a major factor in the united states government's decision to ban ddt. many african governments concluded that the potential long-term health effects of ddt were not as serious as the immediate problem of insect control. ddt cannot accumulate in the fat of animals. the ddt ban in the united states has made it very difficult to control agricultural insect pests.

If the family’s net monthly income is 7,800 what percent of the income is spent on food clothing and housing?