Net Sales The figure illustrates how net sales of Wal-Mart Stores, Inc., have grown from 2...

Net Sales The figure illustrates how net sales of Wal-Mart Stores, Inc., have grown from 2006 through 2010. Use the midpoint formula to estimate the net sales of Wal-Mart Stores, Inc., in 2008. How does your result compare to the reported value of $374 billion?

Source: Wal-Mart Stores, Inc., 2010 Annual Report