what is the forecast for retained earnin

Using the information in the 2020 income statement below, what is the forecast for retained earnings in 2021 if sales are forecast to increase by 10%. Assume the net profit margin is unchanged and dividends continue to be paid out at a rate of 50%. Please give your answer to 2 decimals. For example 24.58. 2020 Income Statement: Sales 500 Gross operating profit 180 Fixed costs 80 EBIT 100 Interest 26 Taxes (50%) 24 Net Income 50 Dividends 25