Pearson Reviewer 10

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School

Centennial College *

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119

Subject

Economics

Date

Feb 20, 2024

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pdf

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3

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Pearson Reviewer 10.2 1. What is the nominal annual rate of interest compounded quarterly at which $526.00 will accumulate to $2598.36 in eight years and three months? FV (Future Value) = 2598.36, PV (Present Value) = 526, n = 4*99/12 = 33 Formula: i= (FV/PV) ^ (1/n) – 1 i= (2598.36/526) ^(1/33) – 1 i= .049594686 * 4 = .198378747 i= 19.8379% 2. At what nominal annual rate of interest will mone y double itself in five years, six months if compounded quarterly? FV = 2, PV = 1, n =4*66/12 = 22 Formula: i= (FV/PV) ^ (1/n) – 1 I= (2/1)^(1/22) – 1 I= .032008279 * 4 = .128033118 I= 12.8033% 3. Surinder borrowed $1200.00 and agreed to pay $2384.61 in s etlement of the debt in two years, six months. What annual nominal rate compounded monthly was charged on the debt? FV = 2384.61; PV=1200; n = 12*30/12 = 30 Formula: i= (FV/PV) ^ (1/n) – 1 I = (2384.61/1200)^(1/30) – 1 I= .023154464 * 12 = .277853579 I= 27.7854% 4. Find the nominal annual rate of interest for the following investment. Principal - $1174.00; Future Value - $1773.65; Time Due- 4 years; Frequency of Conversion - quarterly FV = 1773.65; PV= 1174.00; n = 4*4 = 16 Formula: i= (FV/PV) ^ (1/n) – 1 I= (1773.65/1174)^(1/16) – 1 I= .026124339 * 4 = .104497358 I= 10.4497% 5. At what nominal rate of interest compounded quarterly will $300 earn $80 interest in six years? FV = 380; PV 300; n = 4*6 = 24 Formula = FV= PV(1+i)^n 380 = 300 (1+i)24 Redo equa�on: (380/300)^(1/24) = 1+i 9.898198713 * 100 = .9898 I= .9898%*4 I= 3.9593%
Pearson 10.3 1. What is the effec�ve annual rate of interest if $800.00 grows to $1200.00 in three years compounded quarterly? FV = 1200; PV=800, n=4*3 = 12 Formula: i= (FV/PV) ^ (1/n) – 1 I= (1200/800)^(1/12)-1 I = .034366083 F = (1+i)^m – 1 = (1+.034366083)^4 – 1 = .144714 = 14.4714% 2. What is the nominal rate of interest compounded monthly if the effec�ve rate of interest on an investment is 6.5%? R = .065 m = 12 Formula: F=(1+i)^m - 1 .065 = (1+i)^12 -1 (1+i)^12 – 1 = .065 (1+i)^12 = 1+.065 Add 1 on both sides 1+I = (1.065)^ (1/12) divide both sides by exponent 1/12 I = .005261694 subtract 1 from both side Find the nominal rate = .005261694 * 12= 6.3140% 3. Find the nominal rate of interest compounded annually equivalent to 11.9 % compounded quarterly At one year (1+r/1)^1 = (1+.119/4)^4 ((1+r/1)^1) (1/1) = ((1+.119/4)^4) (1/1) 1+r/1 = (1+.119/4)^4 subtract 1 both sides r/1 = (1+ .119/4)^4 – 1 r = 1( (1+.119/4)^4 – 1) r = 12.4416% 4. Find the nominal annual rate of interest compounded monthly that is equivalent to 11.9% compounded quarterly (1+r/12)^12 = (1+.119/4)^4 1+r/12 = (1+.119/4)^(4/12) r/12 = (1+.119/4)^(4/12) – 1 r = 12((1+.119/4)^(4/12) – 1) r = 11.7839%
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