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Presented below are condensed data from the 2020 and 2021 Alexis Hardware Corporation's income statements (in millions): 2020 2021 Revenues $15,060 $12,260 Operating Expenses _9,@ _8,120 Operating Income $5,400 $4,140 Required: Analyze Alexis HanNare's cost-volume-prot relationships by applying the high-low method of cost estimation to the above information and complete the following: . Estimate the variable cost ratio. . Estimate annual xed costs. a b c. Compute the contribution margin ratio. d. Compute the annual break-even point in dollars. e . Applying these calculations, predict Alexis Hardware's operating income if 2021 revenues are predicted as $15,000 million