currency USD
currency EUR
account CashUSD: asset USD = 100
account RevenueUSD: revenue USD = 0
account CashEUR: asset EUR = 100
account RevenueEUR: revenue EUR = 0
transaction MultiCurrency {
debit CashUSD 40 USD
credit RevenueUSD 40 USD
debit CashEUR 30 EUR
credit RevenueEUR 30 EUR
}