The 2007 Annual Report of Murphy Oil Corporation contains the following information concerning the number of barrels of product sold per day by product category for North America and the United Kingdom.

North America 2007 Gasoline 298,833 Kerosene 1,685 Diesel & home heating oils 91,344 Residuals 15,422 Asphalt, LPG, and other 9,384 United Kingdom 2007 Gasoline 14,356 Kerosene 4,020 Diesel & home heating oils 14,785 Residuals 3,728 Asphalt, LPG, and other 4,213

a. Construct a pie chart to display North American sales by product per day. Display the product sales information as a percentage of total product sales for North America.

b. Construct a pie chart to display United Kingdom sales by product per day. Display the product sales information as a percentage of total product sales for the United Kingdom.

c. Construct a bar chart that effectively compares the daily product sales for North America and the United Kingdom.