A 63 G Metal Ball Hangs from a String

A 63 g metal ball hangs from a string.An electric field,pointing to the right,is then turned on.After the electric field is turned on,the ball hangs at a 25 degree angle away from the vertical.If the charge on the ball is 1.4 *10^-5 C,what is the magnitude of the electric field?

A) 12000 N/C
B) 15000 N/C
C) 21000 N/C
D) 18000 N/C
E) 25000 N/C