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# Historical demand for a product is: Month Demand January 12 February 11 March 15 April 12 May 16 June 15 a.

Historical demand for a product is: 12 11 15 12 16 15 a. Using a weighted moving average with weights of 0.60, 0.30, and 0.10, find the July forecast. b. Using a simple three-month moving average, find the July forecast. c. Using single exponential smoothing with α = 0.2 and a June forecast = 13, find the July forecast. Make whatever assumptions you wish. List these assumptions.