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Class and Constructor Creation RetailItem Class
Create a constructor function or ES6 class for a RetailItem object. The RetailItem object should store the following data in attributes: item description, units in inventory, and price.
CashRegister Class
Create a constructor function or ES6 class for a Cash Register object that will be used with the Retailltem class. The CashRegister object should be able to internally keep an array of Retailltem objects.

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Class and Constructor Creation RetailItem Class
Create a constructor function or ES6 class f...

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