First of all, know that preserved lemons will keep for quite a while in the fridge. They are preserved, after all. Kept refrigerated, these lemons will keep for about a year, so don't feel that you have to rush to use them up before they go bad.You eat the whole lemon, rind and all â though I'd recommend removing the seeds first.hey are preserved, after all. Kept refrigerated, these lemons will keep for about a year, so don't feel that you have to rush to use them up before they go bad. You eat the whole lemon, rind and all â though I'd recommend removing the seeds first.
Growth Rate in the Present Value of Stock Formula. The growth rate used for calculating the present value of a stock with constant growth can be estimated as. Multiplying the retention ratio by the return on equity can then be reduced to retained earnings divided average stockholder's equity.
How to Calculate the Value of Stocks. To determine the value of a common stock using the dividend growth model, you first determine the future dividend by multiplying the current dividend by the decimal equivalent of the growth percentage (dividend x (1 + growth rate)).tock Price Calculator. Instructions: Enter the dividend price, the growth rate, and the expected rate of return, then click the Calculate Stock Price button. If you don't know the growth rate, you can calculate it using the Stock Growth Rate Calculator (opens in a new window).