Required information The following information applies to the questions displayed below.) Odessa, Inc., manufactures one model of computer desk. The following data are available regarding units shipped and total shipping costs: Number of Units Shipped 55 Month January February March April Total Shipping Cost $3,150 3,000 4.000 4,150 3,000 1,950 3,550 60 May June July Required: 3. Using the high-low method, calculate Odessa's total fixed shipping costs and variable shipping cost per unit. 4. Perform a least-squares regression analysis on Odessa's data. 5. Using the regression output, create a linear equation (y = a + bx) for estimating Odessa's shipping costs. Complete this question by entering your answers in the tabs below. Required 3 Required 4 Required 5 Using the high-low method, calculate Odessa's total fixed shipping costs and variable shipping cost per unit. (Round your intermediate calculations to 2 decimal places and final answers to the nearest dollar) Fixed Cost Variable Cost per Unit