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2) The department manager using a combination of methods has forecast sales of toasters at a local department store. Calculate the MAD for the manager's forecast. Compare the manager's forecast against a fourth month weighted moving average forecast covering the same time period (5 last month, 3 second month, 2 third month and 1 fourth month). Which one is better? How is the forecast quality for both methods? Round each forecast to two decimal places. Fourth Month W.M.A. Manager's Month Unit Sales Forecast January 52 February 61 52 March 73 65 April 79 73 May 66 76 June 51 66 July 47 53 August 44 47 September 30 34 October 55 40 November 74 55 December 125 84 January 125