Firm A has agreed to acquire Firm B for $$\frac{50}{?}$ share. On the day of the announcement, Firm B$\text{'}$s stock price jumped from $$\frac{40}{?}$ share to $$48$ per share. What is the acquisition$/$control premium?

$20\%$

$25\%$

$15\%$

$10\%$

$30\%$