经营人生需要处理好的关系不包括（）。
A.顾客与领导的关系
B.佣金和工资的关系
C.闲暇与忙碌的关系
D.贵人与小人的关系
参考答案：D
Open Shortest Path First(OSPF)is a (71) routing algorithm that (72) work done on theOSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing,requires (73) processing power. The (74) algorithm is used to calculate mutes. OSPFrouting table updates only take place when necessary, (75) at regular intervals.
A．Bellman-Ford
B．Ford-Fulkerson
C．Dijkstra
D．RIP
某小规模纳税企业购进农产品一批，支付购买价20万元，另发生装卸费0.8万元，保险费0.6万元.该农产品的采购成本为（）万元。
A.19.4
B.18
C.21.4
D.20
