A company is implementing a new business application.

Create an IAM role that grants access to the S3 bucket. Attach the role to the EC2 instances.

Create an IAM policy that grants access to the S3 bucket. Attach the policy to the EC2 instances.

Create an IAM group that grants access to the S3 bucket. Attach the group to the EC2 instances.

Create an IAM user that grants access to the S3 bucket. Attach the user account to the EC2 instances.