Firm XYY believes it can increase its market share to $13\%$ by the end of the year through focused marketing efforts.

What is the expected growth rate if the firm's current market share is $11\mathrm{.}3\%?$

A$.15\mathrm{.}0\%$

B$.3\mathrm{.}1\%$

C$.11\mathrm{.}1\%$

D$.13\mathrm{.}4\%$

E$.5\mathrm{.}6\%$