R the annual interest rate as a percent. You need the beginning value interest rate and number of periods in years. We rely on evidence-based editorial guidelines regularly fact-check our content for accuracy and keep our editorial staff completely siloed from our advertisers.
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Multiply the year 2 principal amount by the bonds interest rate. A P 1 rn nt Where. T the time the. The formula for calculating compound interest accumulation on a given account balance is.