Honest question: how did you arrive at 1$/1000 mails? When I look at S3 peicing it says 0.005$/1000 PUTs. Are there a lot of requests made or am I missing some

Honest question: how did you arrive at 1$/1000 mails? When I look at S3 peicing it says 0.005$/1000 PUTs. Are there a lot of requests made or am I missing something else?