A group of consultants requires access to an EC$2$ instance from the internet for $3$ consecutive days each week. The instance is shut down the rest of the week. The virtual private cloud $($VPC$)$ has internet access. How should you assign one IPv$4$ address to the instance to give the consultants access? Enable automatic address assignment for the subnet. Assign the IP address in the operating system $($OS$)$ boot configuration. Enable automatic address assignment for the EC$2$ instance. Associate an Elastic IP address with the EC$2$ instance.