Research Article
Determining the Optimal Order Quantity with Compound Erlang Demand under (T,Q) Policy
Table 2
The optimal order quantity and corresponding average inventory cost of the two methods.
| State grid code of materials | Optimal order quantity Q | Average inventory cost C | New model | Newsvendor model | New model | Newsvendor model |
| 500012723 | 7475 | 4697 | 0.78 | 2 | 500012771 | 3669 | 1847 | 0.91 | 22 | 500012797 | 935 | 774 | 1.32 | 154 | 500012801 | 613 | 261 | 1.59 | 1490 | 500014661 | 77 | 21 | 24.03 | 244424 | 500014662 | 116 | 32 | 5.23 | 106020 | 500014670 | 283 | 83 | 3.91 | 15360 | 500014711 | 50 | 11 | 14.51 | 819737 | 500014713 | 44 | 10 | 14.65 | 1069736 | 500016589 | 3987 | 2552 | 0.99 | 10 | 500016592 | 3506 | 2374 | 1.02 | 12 | 500017293 | 1392 | 560 | 1.22 | 307 | 500017320 | 1332 | 613 | 1.22 | 253 | 500017325 | 5282 | 4064 | 0.89 | 3 | 500020609 | 203 | 59 | 3.63 | 29781 | 500020612 | 2557 | 6792 | 1.08 | 1 | 500021412 | 57 | 15 | 9.11 | 498517 | 500021803 | 505 | 176 | 1.89 | 3338 | 500021830 | 1507 | 617 | 1.19 | 250 | 500021862 | 5069 | 2996 | 0.91 | 7 | 500021869 | 1615 | 672 | 1.16 | 209 | 500022269 | 1111 | 481 | 1.30 | 422 | 500022271 | 6100 | 5038 | 0.96 | 1 | 500027151 | 1219 | 463 | 1.35 | 455 | 500027464 | 47 | 11 | 11.33 | 863026 | 500029690 | 1541 | 616 | 1.22 | 251 | 500032681 | 559 | 188 | 1.91 | 2904 | 500032682 | 110 | 60 | 4.02 | 29123 | 500032684 | 930 | 334 | 1.64 | 899 | 500032687 | 421 | 133 | 2.45 | 5889 | 500035137 | 1408 | 551 | 1.26 | 317 | 500051829 | 1794 | 768 | 1.12 | 157 | 500053694 | 67 | 18 | 7.43 | 321886 | 500058470 | 5567 | 3401 | 0.91 | 5 | 500061526 | 753 | 289 | 1.52 | 1208 | 500061564 | 707 | 250 | 1.67 | 1629 | 500061758 | 1145 | 464 | 1.30 | 454 | 500062282 | 862 | 360 | 1.41 | 771 | 500063419 | 980 | 366 | 1.43 | 743 | 500064132 | 4528 | 3220 | 0.94 | 5 | 500065644 | 32 | 7 | 30.63 | 2162199 | 500065658 | 240 | 69 | 4.39 | 22318 | 500066495 | 8558 | 6212 | 0.88 | 1 | 500067251 | 1622 | 775 | 1.16 | 154 | 500067292 | 2340 | 1032 | 1.01 | 83 | 500067551 | 2601 | 1277 | 1.02 | 51 | 500067567 | 329 | 124 | 2.18 | 6809 | 500067652 | 585 | 202 | 1.81 | 2505 | 500067654 | 1135 | 445 | 1.32 | 496 |
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