Question can you email the excel spreadsheet if not please send screen shots of each step

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Selecting a Basis for Predicting Shipping Expenses (Requires Computer Spreadsheet*)Boom Company assembles and sells portable speaker systems throughout the Midwest. In an effort to improve the planning and control of shipping expenses, management is trying to determine which of three variablesunits shipped, weight shipped, or sales value of units shippedhas the closest relationship with shipping expenses. The following information is available

: MonthUnits ShippedWeight Shipped (lbs.)Sales Value of Units ShippedShipping Expenses

May.....................6,0009,300$200,000$ 8,960

June ....................10,00012,000220,00012,320

July.....................8,00012,150160,00010,400

August ..................14,00015,000228,00016,640

September ...............12,00010,500280,00013,760

October .................9,00012,000320,00013,120

Required a. With the aid of a spreadsheet program, determine whether units shipped, weight shipped, or sales value of units shipped has the closest relationship with shipping expenses. b. Using the independent variable that appears to have the closest relationship to shipping expenses, develop a cost-estimating equation for total monthly shipping expenses. c. Use the equation developed in requirement (b) to predict total shipping expenses in a month when 5,000 units, weighing 7,000 lbs., with a total sales value of $114,000 are shipped.