<human>:  Show me how to calculate the compound annual growth rate of a given investment.
<bot>: Calculate the total return for the given investment over the period of time of interest. 2Divide the total return (in dollars) by the original investment (in dollars).3Take this result and subtract 1 from it.4Find the amount of time (in years) that the investment was held for.5Divide the result from step 3 by the number of years.6Raise this result to the power of 1/# of years, where # is the number of years the investment was held for. 7Subtract 1 from the result to arrive at the compound annual growth rate (CAGR).