罗斯公司理财第9版精要版英文原书课后部分章节答案 .pdf

CH511，13，18，19，20

11.TofindthePVofalumpsum,weuse:

t

PV=FV/(1+r)

80

PV=$1,000,000/(1.10)=$488.19

13.

answersincetheyaretheinverseofeachother.WewillusetheFVformula,thatis:

t

FV=PV(1+r)

Solvingforr,weget:

t

1/

r=(FV/PV)–1

1/112

r=($1,260,000/$150)–1=.0840or8.40%

TofindtheFVofthefirstprize,weuse:

t

FV=PV(1+r)

33

FV=$1,260,000(1.0840)=$18,056,409.94

18.TofindtheFVofalumpsum,weuse:

t

FV=PV(1+r)

45

FV=$4,000(1.11)=$438,120.97

35

FV=$4,000(1.11)=$154,299.40

Betterstartearly!

19.

sothenumberofperiodsissix.

t

FV=PV(1+r)

6

FV=$20,000(1.084)=$32,449.33

20.

answersincetheyaretheinverseofeachother.WewillusetheFVformula,thatis:

t

FV=PV(1+r)

Solvingfort,weget:

t=ln(FV/PV)/ln(1+r)

t=ln($75,000/$10,000)/ln(1.11)=19.31

anothertwoyears.Fromnow,you’llwait:

2years+19.31years=21.31years

CH616，24，27，42，58

16.Forthisproblem,wesimplyneedtofindtheFVofalumpsumusingtheequation:

t

FV=PV(1+r)

ofperiodsbytwo.Doingso,weget:

34

FV=$2,100[1+(.084/2)]=$8,505.93

24.ThisproblemrequiresustofindtheFVA.TheequationtofindtheFVAis:

t

FVA=C{[(1+r)–1]/r}

360–1}/(.10/12)]=$67