Expressions can also use variables. Variables have a Variant data type and the expression evaluator converts the data type of a variable from a Variant subtype to an Integration Services data type before it evaluates the expression. Variables can use only a subset of the Integration Services data types.
The total COST of each cocktail using 2oz whiskey per drink and using the higher estimate of $90 to buy all ingredients, the startup cost comes out to about $7.5/cocktail. After that first bottle of whiskey is gone, you will surely have PLENTY of the other ingredients left.
Beverage cost is really five combined costs: 1  Liquor: Typical cost is 17 percent. 2  Bottled Beer: Typical cost is 23 â 25 percent. 3  Draft Beer: Typical cost is 21 â 22 percent.  Wine: Typical cost is 30 1  percent. Soft Drinks: Typical cost is 6 â 8 percent.