Sales â Cost of Sales = Gross Profit â Operating Expenses = Operating Income. Using the operating income margin as an indicator--computed by simply dividing operating income by total sales--will allow you to measure managementâs efficiency in running the business. The higher the margin, the more efficient--this means that operating expenses are consciously guarded as sales grow.
Snakes 'hiss' - It sounds just like the sound humans make when they say the letter 'S' out loud. One of my favourite past-times is driving and exploring with my husband (and my dog). In WikiAnswers, I am constantly On the wallaby.
A snake cannot hear. It is deaf. It uses vibration instead. Snakes don't have ear parts on the outside of their heads. But they do have ear parts inside. Sounds travel into th â¦ e snake's body through muscle to bones in the jaws. These bones are next to the inside ear parts.