apter 5. 6 and 7 Saved Help 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 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: ficamber of Operating Month Jerseys Printed Cost January 185 $4,845 February 220 5,865 March 200 5,755 April 575 8,655 May 630 9,270 June 685 9,780 July 6,225 August 320 6,010 September 6,135 October 280 5,970 November 270 5.920 December 195 4,900 430 375 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 Leslie's expected operating cost if it printed 480 jerseys 5. Perform a least-squares regression analysis on Leslie's data. 6. Using the regression output, create a linear equation (= a + bx) for estimating Leslie's operating costs. 7. Using the least-squares regression results, calculate the Leslie's expected operating cost if it prints 645 jerseys to search *