Operating margin is operating income divided by revenue. If the operating margin is 24.6%, operating income must be $320,000. If operating income were $224,000, that would reduce operating margin to 17.2%.Actually, the gross profit margin is found after deducting the cost of goods from the gross sales.
If you take a gross sale of $1.3million, subtract the cost of goods of 30%, you get $910k
So the gross margin of 24.6% adds up to about $224k
Then add in taxes and rents.
Still, nowhere near what some of these people on here think these owners are making.