Tuesday, March 22, 2011

Corp.finance 3: Working capital Management (3) - Inventory

MANAGING INVENTORY
  • Aim: keep production continuous however, NO more inventory than necessary
  • Motive for holding inventory
    • Transaction motive
      • inventory is needed as a part of the routine production-sale cycle <=> equals to planned manufacturing
      • dictated by the manufacturing plan
    • Precautionary stock
      • avoid  any stock-out losses <=> profit lost from not having sufficient inventory on hand to satisfy demand (NOT enough inventory)
    • Speculative motive, for example
      • ensuring the availability & pricing of inventory
  • Results of inappropriate inventory reserved
    • Over reserved
      • liquidity squeezes
      • misuse of facility
      • reduce firm's competitiveness: can't match pricing 'cos of its large inventory costs
    • Under reserved
      • losing customers (stock-out losses), gain their ill-will from long delays delivery (?)
      • plant shut down & expensive special runs
      • inability to avoid price increases by suppliers
  • Approach to managing levels of inventory
    • EOQ (economic operating quantity)
      • safety stock: @ Q that needs to order new inventory
      • anticipation stock: Q> Q that needs to order new inventory
    • JIT (just in time), combined with Manufacturing Resources Planning (MRP)
  • Inventory cost
    • ordering
    • carrying
    • stock-out
    • policy
  • Evaluating inventory management
    • No. of days of inventory
    • Inventory turnover

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