A 020-MF Capacitor Discharges Through a Resistor with R = 61

Multiple Choice

A 0.20-mF capacitor discharges through a resistor with R = 61 k $\varOmega$ .How long will it take for the capacitor to reach 85% of its initial charge?

A) 0.5 s
B) 4.2 s
C) 0.25 s
D) 1.98 s
E) 33.2 s