Which of the following gadgets is hoped to deliver a Third Industrial Revolution?

"Demand" refers to the relationship between the price of a good and the quantity consumers are willing and able to buy at each price

Indicate whether the statement is true or false

In principle, exchange rates are for currencies what

a. the price of apples are for apples b. the current account is for the balance of payments c. surpluses on current account are for deficits on current account d. currencies are for capital accounts e. capital accounts are for current accounts