2. A stamping plant supplies sheet metal parts to a final assembly plant in the automotive industry. Annual demand is 150,000 pc (for each part produced). Average cost per piece is Rs 18 and holding...

2. A stamping plant supplies sheet metal parts to a final assembly plant in the automotive industry. Annual demand is 150,000 pc (for each part produced). Average cost per piece is Rs 18 and holding cost is 20% of piece cost. Changeover (setup) time for the presses is 5 hrs and cost of downtime on any given press is Rs200/hr. Determine (a) The economic batch size (b) total annual inventory cost for the data. If the changeover time for the presses could be reduced to 10 minutes, Determine (c) the economic batch size and (d) total annual inventory cost.