When Multiple Foreign Currencies Are Used by a Business,inventory Prices

When multiple foreign currencies are used by a business,inventory prices -

A) must be based on the exchange rates for the currencies
B) must be entered in the ledger record for each item for each currency
C) cannot be taken from the ledger record for preferred price list customers who pay reduced prices
D) may be taken from the ledger record for one currency or item and based on exchange rates for others