An exchange rate is used to​

 how much of your country's currency buys another foreign currency. For some countries, exchange rates constantly change, while others use a fixed exchange rate. The economic and social outlook of a country will influence its currency exchange rate compared to other countries.

Explanation:

───▄▀▀▀▄▄▄▄▄▄▄▀▀▀▄───

───█▒▒░░░░░░░░░▒▒█───

────█░░█░░░░░█░░█──── this is Taco

─▄▄──█░░░▀█▀░░░█──▄▄─

█░░█─▀▄░░░░░░░▄▀─█░░█

░░░░░▐▀█▀▌░░░░▀█▄░░░

░░░░░▐█▄█▌░░░░░░▀█▄░░

░░░░░░▀▄▀░░░▄▄▄▄▄▀▀░░

░░░░▄▄▄██▀▀▀▀░░░░░░░

░░░█▀▄▄▄█░▀▀░░

░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob

▄░▐░░░▄▄░█░▀▀ ░░ they have made an alliance

▀█▌░░░▄░▀█▀░▀ ░░ Copy and paste them so we can take over

░░░░░░░▀███▀█░▄░░

░░░░░░▐▌▀▄▀▄▀▐▄░░

░░░░░░▐▀░░░░░░▐▌░

░░░░░░█░░░░░░░░█░​

exchange rate. the price of one country's currency in terms of another country's currency; facilitates trade; doesn't affect money supply but affects the price of money.

Explanation:

tried to make it simple as possible :)

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.

this doesn't support enough information to answer the question.