document.write( "Question 1177707: steven just deposited $10,000 in a bank account that has a 12 percent nominal interest rate, and the interest is compounded monthly. steven also plans to contribute another $10,000 to the account one year (12 months) from now and another $20,000 to the account two years from now. how much will be in the account three years (36 months) from now? \n" ); document.write( "
Algebra.Com's Answer #806809 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the nominal interest rate is 12% per year. \n" ); document.write( "the effective interest rate is 1% per month. \n" ); document.write( "this yields an effective interest rate of ((1.01)^12 -1) * 100 = 12.68250301% per year.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your growth factor per year is (1.01)^12 = 1.1268250301.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you start with 10,000 \n" ); document.write( "one year later, the value is equal to 10,000 * 1.1268250301 = 11,268.21503. \n" ); document.write( "you add 10,000 to that to get 21,268.21503. \n" ); document.write( "one year later, the value of that is equal to 21,268.21503 * 1.1268250301 = 23,965.59679. \n" ); document.write( "you add 10,000 to that to get 33,965.59679. \n" ); document.write( "one year later, the value of that is equal to 33,965.59679 * 1.1268250301 = 38,273.28462.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you could also have used a financial calculator to get the same results. \n" ); document.write( "one such calculator can be found at https://arachnoid.com/finance/index.html\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the inputs to this calculator are shown below.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the output from this calculator is shown below.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since you are dealing in years, then the effective interest rate per year had to be used.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that was calculated as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the nominal interest rate per year is 12%. \n" ); document.write( "the effective monthly interest rate per year is 1%. \n" ); document.write( "the effective interest rate per year is (1.01)^12 = 1.12682503 -1 = .12682503 * 100 = 12.682503%.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ir equal to 12.682503 was entered as input to the problem as shown in the first display.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "note that yearly payments were made at the beginning of each year.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |