题目内容

Youareinvesting$100todayinasavingsaccountatyourlocalbank.Whichoneofthefollowingtermsreferstothevalueofthisinvestmentoneyearfromnow?

A. Presentvalue
B. Discountedvalue
C. Futurevalue
D. Principalamounts

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Tomearned$120ininterestonhissavingsaccountlastyear.Tomhasdecidedtoleavethe$120inhisaccountsothathecanearninterestonthe$120thisyear.Thisprocessofearninginterestonpriorinterestearningsiscalled:

A. discounting.
B. compounding.
C. duplicating.
D. multiplying.

Which of the following will increase the future value of a lump sum investment?I. Decreasing the interest rateII. Increasing the interest rateIII. Increasing the time periodIV. Decreasing the amount of the lump sum investment

A. IandIIIonly
B. IandIVonly
C. IIandIIIonly
D. IIandIVonly

Yourparentsjustgaveyouagiftof$15,000.Youareinvestingthismoneyfor12yearsat5percentsimpleinterest.Howmuchmoneywillyouhaveattheendofthe12years?

A. $15,750
B. $16,000
C. $17,375
D. $24,000

此题存在语法错误。如果需要保持Test类代码不变,修改程序,使得程序输出为:callmecallyou应如何修改,请将修改后的代码写在答案框中。源代码如下:abstract class A {abstract void callme();void metoo() {System.out.println("metoo");}}class B extends A {void callme() {System.out.println("callme");}void callyou(){System.out.println("callyou");}}public class Test {public static void main(String[] args) {A a = new B();a.callme();a.callyou();}}

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