Economies of scale These result in the company benefiting from a reduction in the averagecostperunit.
规模经济—这些使公司由于降低单元平均成本而受益其中。
2
Equipments random inventory management strategy and relevant factors include ordering cost, storage cost, averagecostperunit time, probability of no shortage of spare parts, and decision models.
It is based on a database of past PDC bits. In the databased, it includes bit type, average shear stress of well which bit was used in, costperunit length.