The actual and forecasted demand (in units) for a product in 14 periods are: Actual: 416, 427, 425, 348, 403, 419, 402, 414, 370, 405, 395, 405, 366, 398 Forecast: 429, 418, 425, 425, 363, 395, 414, 404, 412, 378, 400, 396, 403, 373 The value of the mean absolute deviation is _______ The value of the mean squared error is ________ The value of the mean absolute percent error is __________