A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 Ω. If each resistor is operating in the circuit at its maximum power dissipation, total current flow is

• A. 27 mA
• B. 2.7 mA
• C. 19 mA
• D. 190 mA