Fine. Pay as you go. Not beverage package prices, which is what you mentioned in your original post. Since I'm not a mind reader, let me just state what I know about pay as you go beverages. You order a beverage. You are charged the price of the beverage plus gratuity (bar menus will list the price IN USD) and it goes on your onboard account IN USD. At the end of your cruise, your credit card is charged the amount outstanding on your account IN USD. This will appear as an amount owing on your Canadian credit card in an amount in CDN$. The credit card company, not the cruise line, will do the conversion based on that day's bank exchange rate. Or if you are using a USD account, then it will appear as USD