First of all,we click on maintain icon and select the option of inventory item from drop down menu of maintain.. when you click on inventory items the following window will appear.. In this screen first of all you have to select item class item Id and Description,as we choose the stock item only so there are three tabs below the description.. . General . Custom Fields . History In the general tab you have to choose the description for sales or for purchase,if you are purchaser select the purchase option from description and if you are seller then select the option “for sales”.. In the general tab you must have to select three accounts General ledger sales account , General ledger inventory account and general ledger cost of sales account.. Be careful in selecting the inventory account,if you are dealing with raw material choose the inventory account of raw material and if you are dealing with work in process or finished goods then choose the relevant inventory account.. Now click o...