i need help with this one

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 Month January February March April May June July August September October November December Number of Jerseys Printed 215 210 235 550 685 615 450 365 325 245 190 Cost $5,830 5,785 5,945 8,648 9,755 9,290 6,245 6,175 6,845 5,965 4,990 4,890 185 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 440 jerseys 5. Perform a least squares regression analysis on Leslie's data 6. Using the regression output, create a linear equation is a bus for estimating Leslie's operating costs 7. Using the least squares regression results, calculate the store's expected operating cost if it prints 650 jerseys 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.) Variable Cost per Jersey Fored Cost Using the high-low method results, calculate the store's expected operating cost if it printed 440 Jerseys. intermediate calculations. Round your answer to the nearest whole number.) o Muro Total Cost Using the least-squares regression results, calculate the store's expected operating cost if it prints 650 jerseys. (Round your intermediate calculations and final answer to 2 decimal places.) Total Cost