张先生,公务员,40岁,家庭月收入7500元,计划买房。需要贷款300000元。假设其贷款利息率为6%,张先生希望15年还清贷款。 根据案例回答下列问题。 张先生选择等额本金还款法,其第一个月应还款额为( )。
A. 2631.57元
B. 2531.57元
C. 3166.67元
D. 3066.67元
刘女士是单亲妈妈,今年45岁,有一个15岁的儿子和一个10岁的女儿,目前,刘女士有商铺出租的收益每月60000元,每月住房支出3100元,汽车支出2000元,生活费用5000元,教育费用支出平均2900元,养宠物支出600元,旅游支出平均5000元,其他方面的支出3000元。 考虑到以后养老,五年前,刘女士买了一份20年期养老保险,每年初缴保费20180元,期满可以领取50万元;还为两个小孩各买了一份20年缴的终身年金保险,每年缴费分别为3650元和3630元。缴费期满20年后每年领取5000元。 根据案例回答下列问题。 刘女士为自己购买的养老保险产品的内涵报酬率是( )。
A. 1.980%
B. 1.998%
C. 2.174%
D. 2.196%
It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. ()is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more(). A diagram graphically represents things, and the relationships between these things. These()can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams.()are used to capture the physical organization of the things in your system, i.e., how one object relates to another.()focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements. ()focus on the behavior of elements in a system.
Activity diagrams
B. Use-case diagrams
C. Structural diagrams
D. Behavioral diagrams