How should the solutions architect address this issue in the MOST cost-effective manner?

A solutions architect is creating a data processing job that runs once daily and can take up to 2 hours to complete If the job is interrupted, it has to restart from the beginning

How should the solutions architect address this issue in the MOST cost-effective manner?
A . Create a script that runs locally on an Amazon EC2 Reserved Instance that is triggered by a cron job.
B . Create an AWS Lambda function triggered by an Amazon EventBridge (Amazon CloudWatch Events} scheduled event
C . Use an Amazon Elastic Container Service (Amazon ECS) Fargate task triggered by an Amazon EventBridge (Amazon CloudWatch Events) scheduled event.
D . Use an Amazon Elastic Container Service (Amazon ECS) task running on Amazon EC2 triggered by an Amazon EventBridge (Amazon CloudWatch Events) scheduled event.

Answer: C