How to make payments of Purchase Order?

First of all click on the "Task menu" then this window will appear as:

After appearing this window than click on the "Payments" then this window will appear as:

It include the information of
Vendor ID
Check Number
Date
Quantity
Items
Description
Unit Price
Amount

Vendor ID:

First write the Vendor ID as

Check Number :

than enter the Check Number as

Date:

Enter the date of on which payee must be paid 

Quantity:

Then enter the quantity of goods that purchased or sales as

Items &Description:

After enter the quantity than enter the Item name and description will automatically appear as

Unit Price & Amount:

Than enter the unit price and amount on which the goods are Sold or Purchased  and Expenses are automatically appear as

How can I avail the discount?

First of all click on the "Task menu" then  select "Payments" as i explain above than this will appear as

It include the information of
Vendor ID
Invoice
Date due
Amount Due
Description
Discount
Amount paid

Vendor ID:

First write the Vendor ID as

Invoice:

Than enter the Invoice Number as

Date due:

Than enter the Date due on which the payment due as

Amount Due:

enter the amount that is due as

Discount:

After that Discount is automatically appear as

Discount account is given end of  window as

Amount Paid:

After that Tick on the block that is Amount paid the right side column of Discount  as