Demand for stereo headphones and MP3 players for joggers has caused Nina Industries to grow almost 50 percent over the past year. The number of joggers continues to expand, so Nina expects demand for headsets to also expand, because, as yet, no safety laws have been passed to prevent joggers from wearing them. Demand for the players for last year was as follows:MONTH DEMAND (UNITS) January 4,140 February 4,240 March 3,940 April 4,340 May 4,940 June 4,640 July 5, 240 August 4,850 September 5,340 October 5,640 November 6,240December 5,940 Using linear regression analysis, what would you estimate demand to be for each month next year?