Sheltcorp' sales went up 12.6% between 2005 and 2006. Now that its 2007 sales figures have been released, we can see that its sales in 2007 were 38.6% greater than its sales in 2006. Clearly, Sheltcorp has a winning formula and 2008 sales will be higher still.
Which of the following, if true, most seriously weakens the conclusion espoused above?
- A. Sheltcorp' 2007 sales figures are preliminary and may change by upto 2% when the final figures are calculated.
B. In 2006 and 2007, at the annual trade show in January Sheltcorp released popular new products that increased Sheltcorp' sales figures for their respective years, but Sheltcorp did not release any new products at the 2008 trade show.
C. Sheltcorp offers a bonus to its employees based on annual sales.
D. The 12.6% increase in sales is the smallest annual increase seen in the past five years of Sheltcorp' history.
E. Economic forces, rather than individual company actions, are often the largest influence on annual sales figures.