What is the correct way to format the decimal 200.1234 as a string to two decimal places?

Which out of below is not an asset?

Refer to the exhibits.


A Mule application contains a Choice router. What is logged when the flow completes?

Refer to the exhibits.

The Set Payload transformer's value is set to {'year': '2020'}.
What message value should be added to the Logger component to output the message 'The year is 2020', without hardcoding 2020?

Refer to the exhibits.


Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.
What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?