Amagazine's rate card lists
a. what it costs to advertise in the magazine
b. how often the magazine is published the price of a one-, two-, or three-year subscription
c. how much the magazine pays its freelance writers
d. none of the options are correct.

Option A, what it costs to advertise in the magazine , is the right answer.

Explanation:

A periodic publication, which contains a variety of contents is known as a magazine. The fund for publishing a magazine comes from various sources such as advertising, by prepaid subscriptions, by a purchase price etc.

Whereas the term rate card is used to refer to the prices or rates of the product and in the context of the magazine it is generally referred to the cost to advertise in a magazine. Therefore, option A, will be the right answer.

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.

i'm not sure what you are asking, but it also served as a debtors colony, was ran by the trustees for 20 years until becoming a royal colony, and people had restrictions such as no slaves, and only 50 acres of land per person/ hope this !

- jack watson