11. The Hughes Supply Company uses an inventory management method to determine the monthly demands for various products.The demand values for the last 12 months of each product have been recorded and are available for future forecasting.The demand values for the 12 months of 2006 for one electrical fixture are presented in Table P-11.

Month Demand January 205 February 251 March 304 April 284 May 352 June 300 July 241 August 284 September 312 October 289 November 385 December 256 Use exponential smoothing with a smoothing constant of .5 and an initial value of 205 to forecast the demand for January 2007.