There are 6 refineries, 7 depots and districts. The refineries are BB, BC, BD, BE, BF & BG. The depots are AA, AB, AC, AD, AE, AF, & AG. The district are AAA, AAB, AAC, AAD, AAE, AAF, AAG, AAH, and AAI. Table A gives the cost of transporting one unit from refinery to depot. Table B gives the cost of transporting ne unit from depot to a district. Tables A and B
TABLE A
BB | BC | BD | BE | BF | BG | |
---|---|---|---|---|---|---|
AA | 928.2 | 537.2 | 567.8 | 589.9 | 589.9 | 800.1 |
AB | 311.1 | 596.7 | 885.7 | 759.9 | 759.9 | 793.9 |
AC | 451.1 | 0 | 320.1 | 780.1 | 720.7 | 1000.1 |
AD | 371.1 | 150.1 | 350.1 | 750.1 | 650.4 | 980.1 |
AE | 1137.3 | 314.5 | 0 | 1157.7 | 1157.7 | 1023.4 |
AF | 617.1 | 516.8 | 756.5 | 1065.9 | 1065.9 | 406.3 |
AG | 644.3 | 299.2 | 537.2 | 1093.1 | 1093.1 | 623.9 |
TABLE B
AA | AB | AC | AD | AE | AF | AG | |
---|---|---|---|---|---|---|---|
AAA | 562.7 | 843.2 | 314.5 | 889.1 | 0 | 754.8 | 537.2 |
AAB | 532.7 | 803.2 | 284.5 | 790.5 | 95.2 | 659.6 | 442 |
AAC | 500.7 | 780.2 | 0 | 457.3 | 205.7 | 549.1 | 331.5 |
AAD | 232.9 | 362.1 | 286.2 | 275.4 | 523.6 | 525.3 | 673.2 |
AAE | 345.1 | 268.6 | 316.2 | 163.2 | 555.9 | 413.1 | 227.8 |
AAF | 450.1 | 644.3 | 346.2 | 372.3 | 933.3 | 402.9 | 379.1 |
AAG | 654.5 | 0 | 596.7 | 222.7 | 885.7 | 387.6 | 348.5 |
AAH | 804.1 | 149.6 | 627.2 | 364.0 | 1035.3 | 537.2 | 498.1 |
AAI | 646 | 255 | 433.5 | 137.7 | 698.7 | 112.2 | 161.5 |
A | B | C | D | Average |
---|---|---|---|---|
3 | 4 | 4 | ? | 4 |
3 | ? | 5 | ? | 4 |
? | 3 | 3 | ? | 4 |
? | ? | ? | ? | 4.25 |
4 | 4 | 4 | 4.25 |