The stock for a given company has steadily increased from the beginning of 2006 to the end of 2007 by 5% per year, however, in 2008 the stocked increased by 10%. if the stock was purchased at $12.43 at the beginning of 2006, then what is the value of the stock at the end of 2008?
a. $15.07
b. $13.70
c. $14.36
d. $13.67