document.write( "Question 322872: Gene purchased a condo for 90,000. He made a 15% down payment and assumed a 9% morgage for 20 years. Find the monthly payment and the finance charge \n" ); document.write( "
Algebra.Com's Answer #231161 by mananth(16946)\"\" \"About 
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Condo price $ 90,000
\n" ); document.write( "15% down payment = 13500
\n" ); document.write( "Balance to be paid = 90000-14500=75500\r
\n" ); document.write( "\n" ); document.write( "The formula for monthly payment
\n" ); document.write( "C=Po[r(1+r)^n / (1+r)^n-1]
\n" ); document.write( "Po=76500
\n" ); document.write( "r=9% ( 0.09/12)=0.0075
\n" ); document.write( "n=20 years = 240 months\r
\n" ); document.write( "\n" ); document.write( "..
\n" ); document.write( "(1+r)^n= (1+0.0075)^240=6.009
\n" ); document.write( "..
\n" ); document.write( "r(1+r)^n=0.0075*6.009=0.0450
\n" ); document.write( "..
\n" ); document.write( "(1+r)^n-1= 6.009-1= 5.009
\n" ); document.write( "..
\n" ); document.write( "r(1+r)^n/(1+r)^n-1 = 0.0450/5.009=0.00898
\n" ); document.write( "--
\n" ); document.write( "Po*0.00989=76500*0.00989= 687.26 per month
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