Havana Hats makes the worlds best hats. Information for the last eight months follows: Month Number of Hats Produced Total Cost January 4,750 $ 5,900 February 3,150 4,850 March 2,600 4,200 April 4,800 6,125 May 6,400 7,655 June 7,350 8,575 July 5,600 7,000 August 8,550 9,555 Suppose that Havana expects to sell 6,000 hats during the month of September and that each hat sells for $2.75. Havana performed a least-squares regression and obtained the following results: Coefficients Intercept 1,855.99 X Vari