In addition, medical devices include in vitro diagnostic products, such as general purpose lab equipment, reagents, and test kits, which may include monoclonal antibody technology. Certain electronic radiation emitting products with medical application and claims meet the definition of medical device.
Sales commission is a variable cost because the amount of the account is subject to variation. Think about it: A used car salesman is paid a commission say of $500 for every car he sells for the month of October. If he sells only 2 cars, then the sales commission is $1000, If he sells a whopping 12 cars, then the sales commission is $6000!!
But when variable costing system is used, the fixed cost (both manufacturing and non-manufacturing) is treated as a period or capacity cost and is, therefore, not included in the product cost. Following exhibition summarizes the difference between variable costing and absorption costing: