Which two approaches will require the least amount of development effort?

Northern Trail Outfitters is in the final stages of merging two Salesforce orgs but needs to keep the retiring org available for a short period of time for lead management as it is connected to multiple public web site forms. The sales department has requested that new leads are available in the new Salesforce instance within 30 minutes.

Which two approaches will require the least amount of development effort? Choose 2 answers
A . Configure named credentials in the source org.
B. Use the Composite REST API to aggregate multiple leads in a single call.
C. Use the tooling API with Process Builder to insert leads in real time.
D. Call the Salesforce REST API to insert the lead into the target system.

Answer: A, B