The present value of a future amount of money is the amount​ that

would have to be invested today at a given interest rate over a specified period of time to equal the future amount.

Explanation:

One of the reasons for calculating present value of a future amount is to know how much value of money has changed over a period of time.

It also allows various investors make an informed decision with some level of accuracy on the profit that would be earned in the future when money is placed on different investment today.

It is the sum of money if invested today, yields certain amount of money at a given rate of interest over a specified period.

Examples of instruments traded are treasury bonds and bills.

answer: b) the us is the leading importer but not the leading exporter.

extra info:

the u.s is the largest importer but it is not the largest exporter as china sits on the top of the table when it comes to leading exporters.

but u.s is not far from first,

they rank in 2nd globally as the worlds largest exporter.

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the correct answer is economics is a game without winners or losers.

unlike sports or games economic is a game without losers or winner rather it is a game where everyone wins. parties of business doing businesses exchange money with each other and hence exchange is done on the basis of goods. one party takes the goods and other sales it so there is winner on both sides. each party values more highly the good it gets than the good it gives up. both sides exchange only because both intend to increase their value. so there is no concept of lose or win.