Which 2 statements are true regarding the Multicurrency function in QuickBooks Online?

A. You can invent a currency belonging to an imaginary country for practice purposes

B. You can view a list of a foreign currency's historical exchange rates used for review

C. Exchange rates are expressed as the number of foreign units it takes to equal one home currency unit

D. Balance Sheet accounts that existed prior to turning on Multicurrency are assigned the home currency

E. Once you've added a transaction in a foreign currency, you cannot delete the currency used from the list