Monthly Operations in 1964

• Inventory system for ball bearing manufacturer

• • Used punched cards
  • • $2.30 per thousand
  • Accounting machine operator pay
  • • $1.81 per hour (average)
  • 10,000 parts in inventory
  • 80,000 items sold per month

• Month-end processing

• • Five days after the end of each month before processing the last sales slip