Question: The 2010 Annual Report of Murphy Oil Corporation reports the following refinery yields, in barrels per day, by product category for the United States and the United Kingdom.
a. Construct a pie chart to display United States refinery yields by product per day. Display the refinery yields data for each product category as a percentage of total refinery yields for all product categories.
b. Construct a pie chart to display United Kingdom refinery yields by product per day. Display the refinery yields data for each product category as a percentage of total refinery yields for all product categories.
c. Construct a bar chart that effectively compares United States and United Kingdom refinery yields by product category.