Given the following demand data, compute a simple exponential smoothing forecast for alpha values of 0.3 and 0.4 , Use the actual value in Period 1 as your starting forecast in Period 2 . (Round all your calculations to two decimal points.) Obtain estimates of quarter relatives for these data using the centered moving average method. (Round all calculations to three decimal points and standardize the final seasonal relatives so their total is four.) Answer is complete and correct. Answer is not complete