In a Mixed Supply where the supply of goods or services involves more than one goods or services, the tax rate applicable will be the highest tax rate of the goods / services n the mixed supply.
In the revised MGL a new concept called Mixed Supply is introduced. Mixed supply means a supply of more than one good bundled together and supplied. For example combo pack of Soap, detergent, hand wash, toilet cleaner, floor cleaner and room freshener. This combo pack is a mixed supply.