How do you update the options under payment?

Under payment where it says, shirt, sweater, shoes, how do we update the pricing and items under this selection?

We are able to update the title but not sweater or shoes.

Your last form ID is this http://www.jotform.us/form/80426170365150. If this is the correct form, you just need to click on that payment field. Click the Wand icon for the configuration, then click "Continue" button:

That button will take you to the Product List. Click the product that you want to update: