In an effective quarterly rate of compound interest, 1000 accumulates to 2500 in 20 years. What would be the value after years if the initial deposit of had grown under an effective quarterly rate of compound discount?

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- Jan 21st 2010, 08:08 PMqweslInterest vs Discount problem
In an effective quarterly rate of compound interest, 1000 accumulates to 2500 in 20 years. What would be the value after years if the initial deposit of had grown under an effective quarterly rate of compound discount?

- Jan 22nd 2010, 11:25 AMWilmer
Get k by solving: 1000(1 + k)^80 = 2500

I don't know what you mean by "discount"; negative k ? - Jan 24th 2010, 04:45 AMqwesl