Given a file in a plug-in cartridge with the following code:
'use strict':
Var base = module.superModule;
Function applyCustomCache (req,res,next){
res.CachePeriod = 6; //eslint-disable-line no-param-reassign
res.cachePeriodUnit = 'hours') //eslint-disable-line no-param-reassign
next();
}
Module.exports = base;
Module.exports.applyCustomCache = applyCustomCache;
What does this code extend?

A developer needs to perform the same additional checks before completing multiple routes in a custom controller, in order to decide whether to render a template or redirect the user to a different page.
According to SFRA best practices, what is the correct approach to improve code reusability in this scenario7

A client has two B2C Commerce sites in the same instance: one for the U.S. market, the other for the European market. They offer free gift wrapping on a selection of products. For each order, five products can be wrapped in the U.S., but only three products can be wrapped in the European region.
How should a developer allow the merchant to independently adjust this number?

A merchant has complained to the developers that some products are not appearing in the storefront and has asked them to diagnose and solve the issue.
Which two factors might be causing a product to be hidden?
Choose 2 answers

Business Manager has the configuration:
* Active log category is "root"
* Log level of INFO
The code below execites:
Var log = Logger.getLogger("products","export");
Log.info ("This is important information");
Using this information, what is the beginning of the filename in which the log will be written?