New Training System ideas (fc mobile)

hello ea I want to sueggest a training system which if we buy a rank one to maxed ranked players (no training) we will get reletive levels if we use them to rank up players :
Rank 1 = 10 levels 
Rank 2 = 15 levels
Rank 3 = 20 levels
Rank 4 = 25 levels
Rank 5 = Infinite levels
 pls do this to make the game more enjoyable thank you ea 😁