One last important thing - this type of approach, if done properly, allows further changes to the numbers - ST decay percentages and GS penalty coefficients (if the effects are deemed too strong/weak) very, very easily and more what's more important - seamlessly and could be continuously monitored and tweaked until the expected results are achieved completely.
BBB: 2 (S37 S38); Top tier: 7 (S35 S36 S37 S38 S39 S41 S63); Cup: 9 (S25 S35 S36 S37 S38 S39 S40 S41 S61)