which of the following saving plans do you prefer? A. 8% compound daily, B. 8.5% compound quarterly, C. 9% compounded semi-annually, or D. 9.5% compounded annually.
Effective Rate = [( 1+r)^n ] - 1
WHere r is int rate per period & n is no. of compoundings per anum
A: Compounded daily
Daily int rate = 0.08 / 365
= 0.000219
Effective rate = [ ( 1+0.000219)^365 ] - 1
= [ ( 1.000219)^365 ] - 1
= 1.0833 - 1
0.0833 i.e 8.33%
B: Compounded Quarterly
Quarterly int rate = 0.085 / 4
= 0.02125
Effective rate = [ ( 1+0.02125)^4 ] - 1
= [ ( 1.02125)^4 ] - 1
= 1.0877 - 1
0.0877 i.e 8.77%
C: Compounded Semi Annually
Half Yearly int rate = 0.09 / 2
= 0.045
Effective rate = [ ( 1+0.045)^2 ] - 1
= [ ( 1.045)^2 ] - 1
= 1.092 - 1
0.092 i.e 9.20%
D: Annual Compoundinf
Effective Rate is 9.5%
OPtion D is having more effective rate per anum, Hence 9.5% compounding plan is suggested.
Please comment, if any further assistance is required.
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