Assuming 300 working days in a year, the frequency of production run should be

Question

A manufacturer can produce 12000 bearings per day from a customer. The cost of holding a bearings per day from a customer. The cost of holding a bearing in stock is Rs.0.20 per month. Setup cost per production run is Rs.500. Assuming 300 working days in a year, the frequency of production run should be                    

      (a) 4.5 days                                                         (b) 4.5 months

      (c) 6.8 days                                                         (d) 6.8 months