Compute a three-period moving average forecast given demand for shopping carts for the last five periods. (Round all your answers to two decimal points.) If actual demand in period 6 tums out to be 54 , the moving average forecast for period 7 would be Additional Problem 03-02 (Algo) Given the following demand data, a. Compute a weighted average forecast using a weight of 0.4 for the most recent period, 0.3 for the next most recent, 0.2 for next, and 0.1 for the next. (Round all your answers to two decimal points.) b. If the actual demand for period 6 is 56 , forecast demand for period 7 using the same weights as in part a