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 Leslies prints everything from bowling team jerseys to fraternity/sorority apparel to special event shirts, summer league baseball and softball team jerseys are the companys biggest source of revenue. A portion of Leslies operating information for the companys last year follows:

	Number of	Operating
Month	Jerseys Printed	Cost
January	215	$5,500
February	210	5,740
March	380	5,800
April	625	8,675
May	750	9,000
June	630	9,760
July	400	6,200
August	350	6,155
September	300	5,980
October	330	6,010
November	200	4,950
December	150	4,500

Required: 3. Using the high-low method, calculate the stores total fixed operating costs and variable operating cost per jersey. 4. Using the high-low method results, calculate the stores expected operating cost if it printed 480 jerseys. 5. Perform a least-squares regression analysis on Leslies data. 6. Using the regression output, create a linear equation (y = a + bx) for estimating Leslies operating costs. 7. Using the least-squares regression results, calculate the stores expected operating cost if it prints 625 jerseys.