How to make a payment of purchase order

First of all we click on task button and select the payment.

After that we have a window of payments

Then we click on search button to select the vendor for payment. And new bar should be shown after click which is given below.

After selecting the item then the below given window appears which contains the invoice number, date due and amount due.

In this window you see the discount option at the end of the column.

Next step is to fill the discount as I have mentioned the discount  so that below given window shown to you.

As this discount is available only foe specific time period and after that period you cant avail it so if you will select or changes your date from the top of this window by clicking at the option of date.

In the below window you can see that the column of discount is zero

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