To enter item information:

1. From the vertical menu, click Items   available under the Masters 

2. Click New 

3. Enter the item information and click save.

Collective Unit and Base Unit: An item can be sold in collective unit, base unit or in combination of the both. For example, if 'dozen' is set as the collective unit and 'piece' is set as the base unit for egg, then egg can be sold in dozens (e.g. 2 dozens) , in piece (e.g. 5 pieces) or in dozens and piece (e.g. 2 dozens and 5 pieces).  

MRP: This is the maximum retail price for the selected collective unit. 

TP: This is the trade price for the selected collective unit.