Why do we go into any business? The prime motive is to make profit. It is true too when we talk about beer, wine and liquor business. Making an inventory is one of the way people in this business try to make sure that they make profit. In order to ensure success in this regard, constant monitoring is required. Goals should be set, and plans should be made to achieve those goals. In order to get to your targets, you would need to make a budget.