document.write( "Question 1198672: With a present value of $140,000, what is the size of the withdrawals that can be made at the end of each quarter for the next 10 years if money is worth 7.5%, compounded quarterly? (Round your answer to the nearest cent.)
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Algebra.Com's Answer #833501 by AbeAlgebraGenius(2)\"\" \"About 
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For this problem, we need to use the Present Value of Ordinary Annuity formula.\r
\n" ); document.write( "\n" ); document.write( "W = B(r/n) / [ 1 - (1 + r/n)^-nt ].\r
\n" ); document.write( "\n" ); document.write( "W = Withdrawal amount every period (quarter).
\n" ); document.write( "B = Original balance in the account.
\n" ); document.write( "r = Annual interest rate.
\n" ); document.write( "n = Number of times interest is compounded per year
\n" ); document.write( " = Number of times withdrawals are made per year.
\n" ); document.write( "t = Number of years withdrawals are made.\r
\n" ); document.write( "\n" ); document.write( "In our case we have: B = 140,000 (original balance)
\n" ); document.write( " r = 0.075 (7.5% interest rate)
\n" ); document.write( " n = 4 (four quarters per year)
\n" ); document.write( " t = 10 (total of 10 years of withdrawals).\r
\n" ); document.write( "\n" ); document.write( "W = 140000 (0.075/4) / [1 - (1 + 0.075/4)^-40]
\n" ); document.write( " = 140000 (0.01875) / [1 - (1 + 0.01875)^-40]
\n" ); document.write( " = 2625 / (1 - 1.01875^-40)
\n" ); document.write( " = 2625 / (1 - 0.475658356)
\n" ); document.write( " = 2625 / 0.524341645
\n" ); document.write( " = 5006.28\r
\n" ); document.write( "\n" ); document.write( "Thus, the size of withdrawals each quarter is $5,006.28; for the next 10 years.
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