|   Optimal tax rates  |    ||||
|   n\m  |       0.2  |       0.6  |       1  |       1.4  |    
|   0.2  |       No solution  |       47.45%  |       49.55%  |       51.53%  |    
|   0.4  |       46.55%  |       49.07%  |       51.29%  |       52.11%  |    
|   0.6  |       36.41%  |       38.27%  |       39.31%  |       39.31%  |    
|   0.8  |       37.35%  |       39.17%  |       39.31%  |       39.31%  |    
|   1  |       38.25%  |       39.31%  |       39.31%  |       39.31%  |