please help me with parts 3-7 please.

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 175 $4,825

February 200 5,865

March 190 5,670

April 565 8,600

May 650 9,225

June 675 9,800

July 415 6,260

August 310 6,015

September 335 6,150

October 240 5,980

November 235 5,945

December 180 4,940

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 450 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 645 jerseys.

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: 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 450 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 645 jerseys. Complete this question by entering your answers in the tabs below. Using the high-low method, calculate the store's total fixed operating costs and variable operating cost per jersey. (Do not round your intermediate calculations. Round your "Variable Cost" answer to 2 decimal places and "Fixed Cost" answer to the nearest whole number.) Complete this question by entering your answers in the tabs below. Using the high-low method results, calculate the store's expected operating cost if it printed 450 jerseys. (Do not round your intermediate calculations. Round your answer to the nearest whole number.) Complete this question by entering your answers in the tabs below. Perform a least-squares regression analysis on Leslie's data. (Use Microsoft Excel or a statistical package to find the coefficients using least-squares regression. Round your answers to 2 decimal places.) Complete this question by entering your answers in the tabs below. Using the regression output, create a linear equation (y=a+bx) for estimating Leslie's operating costs. (Round your answers to 2 decimal places.) Complete this question by entering your answers in the tabs below. Using the least-squares regression results, calculate the store's expected operating cost if it prints 645 jerseys. (Round your intermediate calculations and final answer to 2 decimal places.)