What Is the Output Voltage at the End of the Input

Multiple Choice

What is the output voltage at the end of the input pulse to an RC integrator if the resistance is 12 K $\Omega$ , the capacitance is 10 $\mu \mathrm { F }$ and the input is a 50 V, 1 s pulse?

A) 50 V
B) 43.25 V
C) 31.6 V
D) 47.5 V