print('运价, 收入, 利润, 8倍市值')
for x in range(1200, 2101, 100):
income = 1575 + 125 * (x - 800) / 100
profit = (income - 1485) * 0.51
value = profit * 8
print('{}, {:.0f}, {:.0f}, {:.0f}'.format(x, income, profit, value))
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运价, 收入, 利润, 8倍市值
1200, 2075, 301, 2407
1300, 2200, 365, 2917
1400, 2325, 428, 3427
1500, 2450, 492, 3937
1600, 2575, 556, 4447
1700, 2700, 620, 4957
1800, 2825, 683, 5467
1900, 2950, 747, 5977
2000, 3075, 811, 6487
2100, 3200, 875, 6997