Calculate the expected yearly return and display the result. Once you have found all of. Step 2 Calculate The Cost Of Equity Stock Analysis Cost Of Capital Step Guide Adding the 092 in dividends you received shows a total return of 382 per share on your investment. . Find total amount of dividends or interest paid during investment period. To calculate the ERR you first add 1 to the decimal equivalent of the expected growth rate R and then multiply that result by the current dividend. Your Long-Term Investment Goals Are Our Priority. Find the initial cost of the investment. Calculate Your Potential Investment Returns With the Help of AARPs Free Calculator. Ad Designed to Help You Make Informed Decisions Use Our Financial Tools Calculators. Wide Range Of Investment Choices Including Options Futures and Forex. Now that you have your simple return annualize it. Calculating the expected rate of return on your ...