影响OSPF中DR选举的配置命令有（） A: areadefault-cost B: ospfcost C: ospfdr-priority D: preference

Fixed Cost，Veriable Cost，Explicit Cost，Implicit Cost，Opportunity Cost，Sunk Cost，Economic Profit，Normal Profit，Average Cost，Margial Cost

This book______me twenty dollars. A: is cost B: was cost C: cost D: have been cost

Berhman saved Johnsy _____ his own life. A: at any cost B: at no cost C: at the cost of D: in the cost of

影响OSPF中DR选举的配置命令有() A: areadefault-cost//默认开销 B: ipospfcost//接口开销 C: ipospfpriority D: preference

What type of cost is the supervisor salary cost, when one supervisor is needed for every ten employees added to the staff A: A fixed cost B: A variable cost C: A mixed cost D: A step cost

What type of cost is supervisor salary cost, where one supervisor is needed for every ten employees added to the staff? ( ) A: Variable cost B: Fixed cost C: Semi-variable cost D: Step cost

A cost accounting system typically includestwo processes: cost allocation and cost determination.

What is the base of selling price A: the cost of production B: a percentage of total cost C: the cost of transportation D: the cost of storage.

According to the American Association of Cost Engineers, cost engineering is defined as that area of engineering practice where engineering judgment and experience are utilized in the application of scientific principles and techniques to the problem of ( ) A: Cost estimation, cost control and profitability. B: Statstical inference, cost estimation and cost control. C: Allocation of joint costs, cost control and profitability. D: Cost estimation, cost control and statstical inference.