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文件名称：济学业务评论考试数学方法比例因子几何序列问题review and examCH3.pptx
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更新时间：2025-06-15
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文档摘要

Mathematicsfor

economicsandbusinessCh3reviewsandexam

ReviewsMathMethodScalefactor,geometricseriestheEconomicsquestion1)adjustvaluedataforinflation2)findthefuturevalueundercompound-interest3)findtheAPR4)findthetotalinvestmentofaregularsaving5)findtherepayinstalmentsforaloan6)appraisetheinvestmentbyNPVandIRR7)findthepresentvalueofgovernmentsecurity

Ch3Exam

Ch3Exam

Ch3Exam

4.Apersonsaves$10000inabankaccountatthebeginningofeachyear.Thebankoffersareturnof12%compoundedannually.(a)Determinethetotalamountsavedafter10years.(b)Afterhowmanyyearsdoestheamountsavedfirstexceed$100000?5.Determinethemonthlyrepaymentsneededtorepaya$200000loanwhichispaidbackover30yearswhentheinterestrateis5%compoundedannuallyCh3Exam

.Ch3Exam6.A10-yearbondisoriginallyofferedbythegovernmentat$10000withanannualreturnof10%.Assumingthatthebondcurrentlyhas4yearsleftbeforeredemptionandthattheprevailinginterestrateis5%compoundedannually,calculateitspresentvalue.