EB10.0 2.3 This cost data from Hickory Furniture is for the year 2017. Number of Chairs Produced Factory Utility Expenses Month January February 425 $1,659 510 1,964 March 625 2,406 April 725 2,791 May 685 2,637 June 575 2,214 July 510 1,964 August 810 3,119 September 700 2,695 October 650 2,503 November 875- 3,369 December 680 2,618 A. Using the high-low method, express the factory utility expenses as an equation where x represents number of chairs produced. B. Predict the utility costs if 900 chairs are produced. C. Predict the utility costs if 750 chairs are produced.