Im behind on my math like hell but ehh. N e one else bored?

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

Double corporation acquired all of the common stock of simple company for

Factors like the unemployment rate,the stock market,global trade,economic policy,and the economic situation of other countries have no influence on the financial status of individuals. true or false