Blue Co$.$ had the following information regarding common stock and retained

earnings on April $1$ just before treasury stock transactions occurred:

Common stock, $25,000$ shares issued and outstanding, $$5$ par per share........ $$125,000$

Additional paid$-$in capital $-$ common stock....................................... $35,000$

Retained eamings.................................................................... $160,000$

Total stockholders' equity........................................................ $${320\mathrm{.}000}_{{?}_{?}}$

Subsequently, the following transactions occurred: April $7,$ Blue Co$.$ reacquired

$1,000$ shares of treasury stock at $$9$ per share; May $12,$ Blue Co$.$ reissued $500$

shares of treasury stock at $$10$ per share; June $14,$ Blue Co$.$ reissued $500$ shares of

treasury stock at $$8$ per share. If Blue Co$.$ uses the cost method to account for

treasury stock, after the treasury stock was reissued on May $12,$ what was total

stockholders' equity?

a$.$ $$316,500.$

b$.$ $$325,000.$

c$.$ $$320,000.$

d$.$ $$320,500.$