46000
47000
销量Q 销售收益R 48000
49000
50000
51000
52000
53000
54000
156000
168000
180000
192000
204000
216000
228000
240000
252000
264000
276000
288000
300000
总成本C利润
总成本C min(c,r)
640002400024000
710003600036000
780004800048000
850006000060000
920007200072000
990008400084000 1060009600096000 113000108000108000 120000120000120000 127000127000
127000
134000134000134000 141000141000141000 148000148000148000 155000155000155000 162000162000162000 169000169000169000 176000176000176000 183000183000183000 190000190000190000 197000197000197000 204000204000204000 211000211000211000 218000218000218000 225000225000225000