How do I add another SKU to a product?

How do I add another SKU to a product?

1. Click the Menu Icon (≡) and then click Setup > Setup Inventory > Setup Products
2. From the SKU field, click the + on the right
   
3. Enter the additional SKU number (up to 40 characters)
   
4. Click Save
   
1. Once entered, the added SKU is searchable in Checkout, Inventory Usage and Purchase Orders pages. 
   

By default, the first SKU listed will be used for any reports or purchase orders.