In a factory section, there are 80 workers and the average rate of wages per worker is Re 0.50 per hour.

Standard working hours per week are 45 hours and the standard performance is 6 units per hour. During the four weeks of February, wages paid for 40 workers were Re 0.50 per hour, for 15 workers Re 0.60 per hour and for 25 workers Re 0.40 per hour. The section did not work for 4 hours due to breakdown of machinery. Work out the LRV for the section for 4 weeks.