John finances his daughter's college education by making deposits into a fund earning interest at an annual effective rate of $8\%.$ For $18$ years he deposits $x$ at the beginning of each month.

In the $16$th through the $19$th years, he makes a withdrawal of $25,000$ at the beginning of each year. The final withdrawal reduces the fund balance to zero.

Calculate $x.$

A$.207$

B$.223$

C$.240$

D$.245$

E$.260$