This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Recommended illumination range for regular work is _______ foot-candles 
Select and explain. 
A. 25-50, B. 12-Jun, C. 50-75, D. 75-100
B: 12-Jun
Answer: B: 12-Jun 
Explanation: • Basic minimum illumination for satisfactory vision: 15 – 20 foot candles