A portion of Leslie's operating information for the company's last year follows: Month January February March April May June July August September October November December Number of Jerseys Printed 175 200 190 565 650 675 415 310 335 240 235 180 Operating Cost $4,825 5,865 5,670 8,600 9,225 9,800 6,260 6,015 6,150 5,980 5,945 4,940 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. Required 3 Required 4 Required 5 Required 6 Required 7 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 Fixed Cost Required 3 Required 4 Required 5 Required 6 Required 7 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.) Total Cost Required 3 Required 4 Required 5 Required 6 Required 7 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.) Coefficients Intercept Variable 1 Required 3 Required 4 Required 5 Required 6 Required 7 Using the regression output, create a linear equation (y = a + bx) for estimating Leslie's operating costs. (Round your answers to 2 decimal places.) Total Cost = (Number of Jerseys) Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Required 6 Required 7 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.) Total Cost