At a Certain Temperature, a Simple Pendulum Has a Period

Multiple Choice

At a certain temperature, a simple pendulum has a period of 1.500 seconds. The support wire is made of brass and has a coefficient of linear thermal expansion of 1.90 × 10^-5/C°. How much must the temperature be increased to increase the period to 1.506 seconds?

A) 118 C°
B) 221 C°
C) 316 C°
D) 422 C°
E) 528 C°