Which agency or strategy is a source of secondary research information that provides demographic and economic data?

the correct answer of the given question above would be the first option. it is important to know a currency's exchange rate when you are planning for the expenses for an overseas trip. when you are overseas, the money you will be using should be exchanged for the currency depending on where you travel and currency changes from time to time and differs from country to country so it is necessary to know the rate beforehand. hope this answer .

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c

explanation:

i am pretty sure hopefully just you