please help me with this problem. Can you please do it in a Excel and show the formulas of what you did

Problem 5-02 Compute the abnormal rates of return for the following stocks assuming the following systematic risk measures (betas): Rk= return for stock / during period t Rmt= return for the aggregate market during period t i= beta for stock i Use a minus sign to enter negative values, if any. Round your answers to one decimal place. ARBt:ARft:ART:ARat:AREt:%%%%%