3. Determine the cost per ounce for each type of liquor you serve. You can easily calculate how much each ounce of alcohol costs by dividing the cost of each bottle by the amount of ounces it holds. For example, if your cost for a 33-ounce bottle of liquor is $30, the price per ounce is about 91 cents.
subprocess (plural subprocesses) A process that is part of a larger overall process.
Multiprocessing however means true parallel execution of multiple processes using more than one processor. Multiprocessing doesn't necessarily mean that a single process or task uses more than one processor simultaneously; the term parallel processing is generally used to denote that scenario.