document.write( "Question 1083495: Jimmy invest Rm 15,000 in an account for six years. The investment account pays 8%\r
\n" ); document.write( "\n" ); document.write( "compounded semi-annually for the first two years and 9% compounded monthly for the\r
\n" ); document.write( "\n" ); document.write( "rest of the period.\r
\n" ); document.write( "\n" ); document.write( "a. What is the maturity value of this investment?\r
\n" ); document.write( "\n" ); document.write( "b. Find the interest earned from this investment.\r
\n" ); document.write( "\n" ); document.write( "2. Given two interest rate (a) 4.8% compounded monthly and (b) 5% compounded every\r
\n" ); document.write( "\n" ); document.write( "three months, which of the two interest rates provides a better return?
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Algebra.Com's Answer #697494 by Boreal(15235)\"\" \"About 
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P=Po(1+(r/t))^nt
\n" ); document.write( "15000(1+.08/2)^4, divide the interest rate by 2 for the compounding, and multiply the number of compoundings by 2 because semiannual.
\n" ); document.write( "=$17547.88
\n" ); document.write( "Now use that for 9% compounded monthly
\n" ); document.write( "P=17547.88(1+(.09/12))^48, the 48 being 12 monthly compoundings for 4 years: $25,228.13, rounding at the end. MATURITY VALUE
\n" ); document.write( "The interest earned:
\n" ); document.write( "first two years: $2547.88
\n" ); document.write( "Total: $10,228.13-$2547.88 earned in two years=
\n" ); document.write( "7680.25 earned in last four years
\n" ); document.write( "TOTAL INTEREST IS $10228.13
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\n" ); document.write( "Do it for one year
\n" ); document.write( "(1+(.048/12))^12=1.04907
\n" ); document.write( "(1+.05/4)^4=1.05094
\n" ); document.write( "The second one, at 5% every 3 months.
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