Consider the following characteristics.
(1) It is very sensitive to small movements in the data
(2) The technique is simple
(3) The method is affected by the personal prejudice of the people
Which of these characteristics of moving average method of forecasting are correct?
(a) 1, 2 and 3 (b) 1 and 2 only
(c) 2 and 3 only (d) 1 and 3 only