Which two considerations are important for defining the pattern for commodity multi-site external pricing integration for the purposes of quoting? Choose 2 answers

A. Consider the algorithms used by the pricing and forecasting system to calculate the price.

B. Consider how the pricing engine notifies you when the custom pricing and forecasting is complete.

C. Consider if the pricing engine operates synchronously or asynchronously.

D. Consider which stack the pricing and forecasting engine runs on (such as AWS, Heroku, or OPC).