I saw https://www.reddit.com/user/sunseeker11/ made a graph, so I upgraded it to 0.12. Also, I put some prices of the ammo on the flea market (the prices can vary up to 300 roubles depends on time of the day). Also, I put a link to Excel file, so you can download and modify it as you wish.
From recent memory look at kv-1sa which lost 1 shell from its magazine and intraclip went from 1s to 2.3s (though to be fair it could have been very ...