Which two situations require adata type? (Choose Two)

Which two of the following scenarios are good candidates for rule delegation? (Choose Two)

In a purchase order application, you have been asked to add an order total field that is used on multiple forms in the application. You want to make sure that whenever the input values change, the order total changes on all the forms. Which two of the following are reasons would you choose to use a declarative expression rather than a data transform to calculate the value ? (Choose two)

An application references the property .Customer.Address(Billing).State. What is the property mode for.Address(Billing)?
Response:

Which requirement is best implemented using a Wait step in a case