企业在制定预算环节,可调用京东工业品价格指数作为商品价格参考,制定采购品类及采购预算;在商品上架、选品和下单时,运营和采购人员可运用京东工业品价格指数评估价格合理性;采购人员可通过快照方式将下单成交价格与当期京东工业品价格指数作为凭证留存,形成采购价格合规依据;企业还可以通过调用工业品价格指数对商城商品价格异常波动进行判断和预警,分析采购成本变动趋势,辅助优化采购策略。
~3 person-months for translation (assuming 100 kLoC/person-year) plus ~2.5 person-years for verification (at the historical median of ~2,558 verified LoC/person-year). See Appendix B for the full derivation and caveats. ↩︎
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However, let’s give an example of a recursive type.