What is the recommended approach to sync the orders in Salesforce with the order fulfillment system?

Universal Container uses Salesforce to create orders.

When an order is created, it needs to sync with the-in-house order fulfillment system. The order fulfillment system can accept SOAP messages over the HTTPS. If the connection fails, messages should be retried for up to 24 hours.

What is the recommended approach to sync the orders in Salesforce with the order fulfillment system?
A . Set up a Workflow Rule outbound message to the order fulfillment system.
B . Create an after insert trigger on the Order object to make a callout to the order fulfilment system
C . Write an Apex SOAP service to integrate with the order fulfillment system.
D . Use Process Bulkier to call an invocable Apex method that sends a message to the order fulfilment system.

Answer: B