document.write( "Question 1146477: Jenny puts aside $20 at the end of each month for 3 years. How much will she have then of the investment earns 8.2% p.a., paid monthly? \n" ); document.write( "
Algebra.Com's Answer #853423 by ikleyn(53619)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Jenny puts aside $20 at the end of each month for 3 years. How much will she have then of the investment earns
\n" ); document.write( "8.2% p.a., paid monthly?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "        This my post is written in opposite to the solution by @mananth in his post.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "        This Finance problem assumes a precise solution,  correct to a single cent.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "Use a standard formula for a Future value of an ordinary annuity \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    FV = \"PMT%2A%28%281%2Br%2F12%29%5E%283%2A12%29-1%29%2F%28%28r%2F12%29%29\" = \"20%2A%28%281%2B0.082%2F12%29%5E36-1%29%2F%28%280.082%2F12%29%29\" = 813.16 dollars.   ANSWER\r\n" );
document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solved.   In opposite to the answer in the post by @mananth,  my answer is precise to one single cent.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "To get a precise solution,  use  MS  Excel spreadsheets or  Google spreadsheet.
\n" ); document.write( "Write the formula in any text editor with the numbers and then copy-paste it into a spreadsheet cell  \" as is \".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "You will get a precise answer with the precision, which is usually enough for
\n" ); document.write( "normal/regular financial calculations, without intermediate rounding.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Another, alternative way, is to use specialized financial online calculators.
\n" ); document.write( "Many of them, often free of charge and many-times repeatedly tested, can be found in the Internet
\n" ); document.write( "using appropriate key words for search, for example \"online calculator future value of an annuity\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Below are the links to some popular web-sites with reliable online calculators \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "https://www.calculatorsoup.com/calculators/financial/future-value-annuity-calculator.php\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "https://www.calculator.net/annuity-calculator.html\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "https://www.omnicalculator.com/finance/annuity-future-value\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In this concrete calculations,  I used  MS  Excel in my computer.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Happy calculations with reliable tools !\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );