A web client sends a request to http;//localhost:8081?dept=sales. What is the correct DataWeave expression to access the value of dept?

Refer to the exhibits. The Set Payload transformer in the addltem child flow uses DataWeave to create an order object.
What is the correct DataWeave code for the Set Payload transformer in the createOrder flow to use the addltem child flow to add a router call with the price of 100 to the order?

Refer to the exhibit.

A Mule event is composed of a hierarchy of objects. Where in the hierarchy are variables stored?

An API implementation has been deployed to CloudHub and now needs to be governed. IT will not allocate additional vCore for a new Mule application to act as an API proxy.
What is the next step to preseive the current vCore usage, but still allow the Mule application to be managed by API Manager?

A
web client submits a request to http://localhost:8081?flrstName=john. What is the correct DataWeave expression to access the firstName parameter?