To edit purchase orders I am going to go to the purchase order list and Iam going to click edithere we will be able to modify the productsthe quantitiesadd products, delete productsfor examplewe send the purchase order but the supplier tells us thatthis product it increased by 10%, here I can add ithere I can add it in percentage, I'm going to add for example 10%and therethe priceof the product goes up afterI finish modifyingit I save it.