The developer created a new Storefront category in storefront-catalog-m-en, but when viewing the Storefront site, the category is not visible.
What are two possible reasons? (Choose two.)

A Digital Developer needs to add a new form to the shopping cart page to allow customers to enter their rewards pass ID. There is already an existing Cart.js controller that handles processing of the other cart forms.
In addition, a form field node is in the form XML and the necessary form input is present in the ISML template.
The code below is the submit button for the ISML markup.

What additional steps must occur before the Digital Developer can begin writing the processing code for this request?

A client has two B2C Commerce sites in the same instance: one for the U.S market, the other for the European market. The products they make are sold with different safety certificates based-on the world location.
For example, they sell a smartphone with certificate A in the U.S and certificate B in Europe, a hairdryer with certificate C in the U.S and certificate D in Europe, and more.
How should a developer allow the merchant to display the appropriate certification logo in the produce to details page, depending on the customer's location?

A Digital Developer is requesting product information for an external integration. The following Open Commerce API (OCAPI) request is NOT functioning correctly:

How should the Developer change the request?

A Digital Developer added a file named MyBusinessController.jsin the cartridge named app_project.
The project design calls for this new file to override MyBusinessController.js in client_project. The client_projectcartridge contains other necessary functionality. Additional functionality is also included in the storefront_coreand storefront_controllerscartridges.
Which cartridge path meets the project requirements?