A company processes business transactions globally. Updated currency exchange rates must be available when transactions are entered each morning.

You are designing a solution that will obtain the currency exchange rates from an online service. The service only provides the daily exchange rate that is in effect at the time it is accessed. The exchange rates can be accessed via an OData $($Open Data Protocol$)$ RESTful API.

The solution must be able to use both current and historical exchange rates for currency translation.

Which two methods of data integration should you use? Each correct answer presents part of the solution.