Which of the following is the best example of a perfectly competitive industry? a. wheat productionb. electricity productionc. steel productiond. airplane production

Companies in the u.s. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. in 2011 hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. the following data show the number of cars in service (1000s) and the annual revenue ($ millions) for six smaller car rental companies (auto rental news website, august 7, 2012). excel file: data14-09.xls if required, enter negative values as negative numbers. a. select a scatter diagram with the number of cars in service as the independent variable. b. what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? c. use the least squares method to develop the estimated regression equation (to 3 decimals). ŷ = + x d. for every additional car placed in service, estimate how much annual revenue will change. by $ e. fox rent a car has 11,000 cars in service. use the estimated regression equation developed in part (c) to predict annual revenue for fox rent a car. round your answer to nearest whole value. $ million hide feedback partially correct

The rybczynski theorem describes: (a) how commodity price changes influence real factor rewards (b) how commodity price changes influence relative factor rewards. (c) how changes in factor endowments cause changes in commodity outputs. (d) how trade leads to factor price equalization.

Margaret company reported the following information for the current year: net sales $3,000,000 purchases $1,957,000 beginning inventory $245,000 ending inventory $115,000 cost of goods sold 65% of sales industry averages available are: inventory turnover 5.29 gross profit percentage 28% how do the inventory turnover and gross profit percentage for margaret company compare to the industry averages for the same ratios? (round inventory turnover to two decimal places. round gross profit percentage to the nearest percent.)