A company is launching an application on AWS. The application uses an Application Load Balancer (ALB) to direct traffic to at least two Amazon EC2 instances in a single target group. The instances are in an Auto Scaling group for each environment. The company requires a development environment and a production environment. The production environment will have periods of high traffic. Which solution will configure the development environment MOST cost-effectively?

1. Reconfigure the target group in the development environment to have only one EC2 instance as a target.
2. Change the ALB balancing algorithm to least outstanding requests.
3. Reduce the size of the EC2 instances in both environments.
4. Reduce the maximum number of EC2 instances in the development environment’s Auto Scaling group.