Take a look at these photos of mind-blowing interchanges and it will become very clear why. 1  1. Puxi Viaduct, Shangahi, China â Perhaps the only stack interchange in the world with six levels, this huge interchange of Nanbei Road and Yanâan Road is located in Puxi â historic center of Shanghai.
Operating expenses are used by most businesses, since they have reoccurring costs or costs, such as for travel, that are not directly related to actual goods. Cost of Goods Sold. A cost of goods sold account is not necessarily used by every company.
Calculating the Operating Margin. To calculate the operating margin, divide operating income by the total revenue. Operating Income Ã· Sales = Operating Margin. Just as you learned with the gross profit margin, what is considered good depends on the industry. There is one extremely important thing you must learn, though.