Inventory Management & Investment Valuation: A Comprehensive Guide
Inventory Management
Stock Definition
Inventory encompasses all materials a company possesses in its warehouse to fulfill its operational needs. There are six main types:
- Raw Materials: Materials intended to become part of finished products after processing.
- Semi-Finished Products: Products made by the company but not intended for sale and require further processing.
- Finished Products: Manufactured products ready for final consumption.
- Merchandise/Stock: Materials purchased for resale.
- Other Supplies: Incorporated materials.
- Byproducts, Waste, and Recoverable Materials: Residual materials from production.
Cost Classification
Inventory costs fall into three categories:
- Ordering Costs: Costs associated with placing orders.
- Acquisition Costs: The price of products purchased from suppliers.
- Holding Costs: Costs to store a specific quantity of stock.
- Shortage Costs: Costs incurred when the company runs out of stock.
Wilson Model (Optimum Order Quantity)
This model applies when the following conditions are met:
- Replenishment occurs in product lots.
- Consistent product quality.
- Constant and known product demand.
- Constant product price and lead time.
Short-Term Financing
Resources
- Short-Term Loans: Borrowing money to cover short-term costs, repaid within 12 months with interest.
- Bank Credit:
- Overdraft: Using funds exceeding the available account balance.
- Line of Credit: A flexible financing option for uncertain amounts.
- Trade Credit: Deferring payment to suppliers after purchasing goods.
Investment Analysis
Characteristics of an Investment
- Initial Outlay (D0): The amount paid at the time of asset purchase.
- Investment Duration (n): The number of years the asset generates cash flows.
- Cash Flows (F1): The difference between revenues and expenses.
- Residual Value: The asset’s value at the end of its useful life.
Investment Valuation Methods
- Static Methods (assume constant money value):
- Payback Period: Time to recover the initial investment.
- Dynamic Methods (account for time value of money):
- Net Present Value (NPV): The present value of all future cash flows.
- Internal Rate of Return (IRR): The discount rate that makes the NPV zero.
Financing Sources
Financing sources can be categorized in three ways:
- Repayment Term: Short-term and long-term.
- Origin: Internal (earnings, asset sales) or external (capital, loans).
- Ownership: Equity (owner’s funds) or debt (borrowed funds).
Internal Financing (Equity)
- Capital: Shareholder contributions.
- Retained Earnings: Profits reinvested in the company.
- Amortization: Funds set aside to replace assets.
- Provisions: Funds allocated for future losses.
Long-Term Financing
External Resources
- Long-Term Loans: Funds borrowed from financial institutions.
- Bonds: Debt securities issued by companies.
Average Maturity Period
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