This is a copy of the product-list.html file within the Cornerstone Theme template (built for the BigCommerce Stencil CMS). It has been modified to show product prices for each picklist item, using the Storefront GraphQL API.
When navigating in Cornerstone or another template you should find this file at the following path:(templates/components/common/products/product-list.html
See lines 36 - 61.