The March 29, 2012, edition of the Wall Street Journal Online contains an article by Miguel Bustillo entitled, "Best Buy Forced to Rethink Big Box." The article explains how the 1,100 giant stores, which enabled Best Buy to obtain its position as the largest retailer of electronics, are now reducing the company’s profitability and even threatening its survival. The problem is that many customers go to Best Buy stores to see items but then buy them for less from online retailers. As a result, Best Buy recently announced that it would close 50 stores and switch to smaller stores. However, some analysts think that these changes are not big enough. Suppose the following data were extracted from the 2017 and 2012 annual reports of Best Buy. (All amounts are in millions).
2017 2016 2012 2011
Total assets at year-end $17,729 $18,390 $11,880 $10,234
Net sales 50,308 30,768
Net income 1,301 1,143
Using the data above.
Compute the profit margin, asset turnover, and return on assets for 2017 and 2012.

U.s. internet advertising revenue grew at the rate of r(t) = 0.82t + 1.14 (0 ≤ t ≤ 4) billion dollars/year between 2002 (t = 0) and 2006 (t = 4). the advertising revenue in 2002 was $5.9 billion.† (a) find an expression f(t) giving the advertising revenue in year t.

An important application of regression analysis in accounting is in the estimation of cost. by collecting data on volume and cost and using the least squares method to develop an estimated regression equation relating volume and cost, an accountant can estimate the cost associated with a particular manufacturing volume. consider the following sample of production volumes and total cost data for a manufacturing operation. production volume (units) total cost ($) 400 4000 450 5000 550 5400 600 5900 700 6400 750 7000 compute b 1 and b 0 (to 2 decimals if necessary). b 1 b 0 complete the estimated regression equation (to 2 decimals if necessary). = + x what is the variable cost per unit produced (to 1 decimal)? $ compute the coefficient of determination (to 4 decimals). note: report r 2 between 0 and 1. r 2 = what percentage of the variation in total cost can be explained by the production volume (to 2 decimals)? % the company's production schedule shows 500 units must be produced next month. what is the estimated total cost for this operation (to 2 decimals)? $

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