The illuminance due to a 60.0-W lightbulb at 3.0 m is 9.35 lx. What is the total luminous flux of the bulb?
1) 8.3 × 10⁻² lm
2) 7.4 × 10⁻¹ lm
3) 1.2 × 10² lm
4) 1.1 × 10³ lm