10円だと手数料70%だとかなんとか
売値 利益 利益率 手数料率
100 30 30.0% 70.0%
200 60 30.0% 70.0%
300 100 33.3% 66.7%
400 150 37.5% 62.5%
500 200 40.0% 60.0%
600 300 50.0% 50.0%
700 400 57.1% 42.9%
800 450 56.3% 43.8%
900 500 55.6% 44.4%
1000 600 60.0% 40.0%
1100 700 63.6% 36.4%
1200 800 66.7% 33.3%