Leslie Sporting Goods is a locally owned store that specializes in printing team jerseys. The majority of its business comes from orders for various local teams and organizations. While Leslie's prints everything from bowling team jerseys to fraternity/sorority apparel to special event shirts, summer league baseball and softball team jerseys are the company's biggest source of revenue. A portion of Leslie's operating information for the company's last year follows: Operating Cost Month January February Number of Jerseys Printed 215 $5,875 210 5,745 March 230 5,930 April 515 8,630 May 680 9,700 June 650 9,255 July 455 6,225 August 370 6,165 September 290 6,035 October 235 5,980 November 205 4,975 December 180 4,845 Required: 3. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey. 4. Using the high-low method results, calculate the store's expected operating cost if it printed 420 jerseys. 5. Perform a least-squares regression analysis on Leslie's data. 6. Using the regression output, create a linear equation (y = a + bx) for estimating Leslie's operating costs. 7. Using the least-squares regression results, calculate the store's expected operating cost if it prints 610 jerseys. Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7