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.
CAGR (Compound Annual Growth Rate) is year-of-year average growth rate over a period of time. Calculating CAGR you can check how much do you earn annualy with your investments. To calculate CAGR you can use that formula: = ((FV/PV)^(1/n)) - 1. 1  FV stands for Future Value. 2  PV stands for Present Value.