Some rules were defined for you to test the Preorder functionality

• The Chain saw has a rule to set a 30$ fixed deposit when the product is out of stock only
• The Circular Saw has a rule to set a minimum 25% deposit with radio button option (no matter the stock)
• The Drill has a rule to set a 20$ minimum deposit  with textbox option

Add these 3 products to your cart and you'll see how they react on the cart page.
Notice the deposit and balance lines in the totals