Set out individual product price from the inventory management solution.
Inventory--> Product Price--> Product Price Set
As you can see a window will appear like that and from there you can see the Sale price option as well as Sale limit price
In the Sale price option you can set out the product price by clicking on that box
In the Sale Limit you can set out the limit for the price like for example "95" you cannot go below that price limit which you have set