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5.2 Costos de Inventario
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5.2 Costos de Inventario

Understanding Inventory Management

Key Concepts in Inventory Management

  • The course continues with a focus on inventory management, emphasizing two critical points: Q (order size) and R (reorder level).
  • L represents the lead time, which is the duration from placing an order to receiving inventory. An example given involves purchasing cell phones from Miami, where delivery takes three days.

Cost Analysis of Inventory

  • The annual cost of inventory includes various components such as purchase costs and ordering costs. For instance, if televisions are imported from China, the total cost encompasses shipping expenses.
  • Maintenance costs are also crucial; they include security and insurance fees associated with holding inventory. These can be fixed amounts or percentages based on product value.

Calculating Total Annual Costs

  • Total annual cost (TC) is calculated by summing up all relevant costs including demand (DC), which differs from daily demand calculations.
  • To find the purchase cost, multiply annual demand by unit price. For example, buying 150 televisions at $200 each results in a total purchase cost of $30,000.

Order Size and Frequency

  • The frequency of orders depends on dividing annual demand by order size. If 150 televisions are ordered in batches of 50, three orders will be made annually.
  • Holding large inventories can reduce transportation costs but increase maintenance expenses due to larger storage needs and higher security requirements.

Maintenance Cost Considerations

  • Maintenance costs are represented as Q/2 multiplied by H (annual holding cost). This reflects that not all units are held simultaneously throughout the year.
  • A practical approach divides the order size by two to estimate average inventory held over time for accurate maintenance cost calculation.

By structuring these notes around key concepts and their implications within inventory management, learners can better grasp essential principles while having direct access to specific timestamps for further exploration.