Your order$-$processing application process orders extracted from a queue with two Reserved Instances processing $10$ orders$/$minute$.$ If an order fails during processing, then it is returned to the queue without penalty. Due to a weekend sale, the queues have several hundred orders backed up$.$ While the backup is not catastrophic, you would like to drain it so that customers get their confirmation emails faster. What is a cost$-$effective way to drain the queue for orders?

Group of answer choices

Deploy additional Spot Instances to assist in processing the orders.

Create more queues.

Deploy additional Reserved Instances to assist in processing the orders.

Deploy additional On$-$Demand Instances to assist in processing the orders.