You can create variants against the product as well where the attributes like size, color and network can be managed for that product.
To create the variants,
**Enable Variants
** after saving the product.Click on
**Create Variants**
to add attributes and values.After creating the variants,
**add quantity**
and pricing information ****against the variant.You can
**delete**
or**edit**
the variant information from line actions.In order to**
Change variant cost
**, go to the Product tab and click on Change Unit Cost.After selecting the variants, you can update the
**unit cost**
and price.The variant quantity can be
**increased**
or**decreased**
from here as well. The same process will be repeated just like for change unit cost.You can print the variants from global and line actions.