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:

Month	Number of Jerseys Printed	Operating Cost
January	220	$5,875
February	215	5,780
March	245	5,950
April	555	8,700
May	700	9,700
June	615	9,295
July	460	6,220
August	350	6,150
September	320	6,040
October	250	5,960
November	205	4,925
December	200	4,810

5. Perform a least-squares regression analysis on Leslies data. (Use Microsoft Excel or a statistical package to find the coefficients using least-squares regression. Round your answers to 2 decimal places.) 6. Using the regression output, create a linear equation (y = a + bx) for estimating Leslies operating costs. (Round your answers to 2 decimal places.) 7. Using the least-squares regression results, calculate the stores expected operating cost if it prints 630 jerseys. (Round your intermediate calculations to 2 decimal places. Round your final answer to 2 decimal places.)