The market demand for a product is 600 units per week. This part is manufactured on a lathe and the process takes 30 mins. The lathe has an efficiency of 80% and on an average 20% of the production is rejected. Find out the minimum space requirements for a factory shed, where such lathes are to be installed. The production is done on single shift basis, @ 8 hrs per day for a week of 6 working days and for 50 weeks/year.