1) A) 19449.54
Here Inflation rate is 6% and nominal rate = 9%
Thus real rate = (1+nominal rate)/(1+inflation rate) - 1
= (1+9%)/(1+6%) - 1
=(1+0.09)/(1+0.06) - 1
= 1.09/1.06 - 1
=1.02830 - 1
= 2.83%
Thus FV = PV(1+r)^n
= FV = 20,000$
r = 2.83%
n = 1
Thus 20,000 = PV(1+2.83%)^1
=20,000 = PV(1.0283)
PV = 20000/1.0283
= $ 19449.54
2) B) 10.47%
EAR = (1+APR/n)^n - 1
n = no. of times of compounding
APR = 10%
EAR = (1+10%/12)^12 - 1
= (1+0.83333%)^12 - 1
=(1+0.0083333)^12 - 1
= 1.0083333^12 - 1
=1.1047 - 1
=0.1047
i.e 10.47%
3) C. $25,657.91
PV = FV/(1+r)^n
n = no. of years = 7
r = 10%
FV = 50,000 $
PV = 50,000/(1+10%)^7
= 50000/(1+0.1)^7
= 50000/(1.1)^7
= 50000/1.9487
= 25657.91 $
4) D. $134.49
FV = PV(1+r)^n
n = no. of years = 12
r = rate of interest = 2.5%
PV = 100$
PV =100(1+2.5%)^12
= 100(1+0.025)^12
= 100(1.025)^12
= 100(1.34488)
= 134.49 $
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