The Inventory window will pop-up, click on

On the upper right-hand corner click on the "Build Boxes".

The "Add Mixed Boxes" window will pop-up, fill in the Item Information. 

In the Breakdown Information grid, use the filters "Product" and/or "Vendor" to start building the box. 

Click on Search.

On the "Bunches to Add" column, enter the quantity that is going to be added and enter the "Price" of the product if needed.

The

Click on Finish box, and enter the required information

The user may "Delete" the line item if needed under the Actions column. 

Once done building the box, click on the "Finish box" green button.

The order will then

Click on the star to show the products within that product line