document.write( "Question 1202734: A new car will cost $92,200. The dealership requires a 15% down payment. In order to save up the down payment, you set up an annuity with an annual interest rate of 4.4%. How much will you need to deposit each month in order to have the down payment in 2 years? \n" ); document.write( "
Algebra.Com's Answer #837810 by math_tutor2020(3817)\"\" \"About 
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\n" ); document.write( "Answer: $552.32\r
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\n" ); document.write( "\n" ); document.write( "Work Shown:\r
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\n" ); document.write( "\n" ); document.write( "15% of $92,200 = 0.15*92200 = 13,830\r
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\n" ); document.write( "\n" ); document.write( "The down payment is $13,830\r
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\n" ); document.write( "\n" ); document.write( "Future value of annuity formula.
\n" ); document.write( "\"FV+=+P%2A%28%281%2Bi%29%5En+-+1%29%2Fi\"
\n" ); document.write( "where,
\n" ); document.write( "FV = future value
\n" ); document.write( "P = periodic payment or deposit
\n" ); document.write( "i = interest rate per period (decimal form)
\n" ); document.write( "n = number of periods\r
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\n" ); document.write( "\n" ); document.write( "In this case:
\n" ); document.write( "FV = 13830
\n" ); document.write( "P = unknown
\n" ); document.write( "i = 0.044/12 = 0.003666667 approximately
\n" ); document.write( "n = 12*2 = 24 months\r
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\n" ); document.write( "\n" ); document.write( "\"FV+=+P%2A%28%281%2Bi%29%5En+-+1%29%2Fi\"\r
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\n" ); document.write( "\n" ); document.write( "\"13830+=+P%2A%28%281%2B0.003666667%29%5E%2824%29+-+1%29%2F0.003666667\"\r
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\n" ); document.write( "\n" ); document.write( "\"13830+=+P%2A25.0397432478757\"\r
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\n" ); document.write( "\n" ); document.write( "\"P+=+13830%2F25.0397432478757\"\r
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\n" ); document.write( "\n" ); document.write( "\"P+=+552.321957261814\"\r
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\n" ); document.write( "\n" ); document.write( "\"P+=+552.32\"\r
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\n" ); document.write( "\n" ); document.write( "You need to deposit $552.32 per month for 24 months (aka 2 years) to reach a goal of $13830.
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