Answer:
71 units
Explanation:
Demand per month = 1000 (D)
Cost per part to supplier = $100
Annual holding cost to supplier = 25%
Changeover = 4 hours
Cost of Each hour spent on changeover = $250 = Setup cost (S)
EOQ = √{2DS/H}
= √{(2 * 1000/4 * 250)/100*0.25}
= 70.7
Modified Batch size = 70.7 = 71 units