1. Total Life-Cycle Perspective
Traditional management accounting measures profitability on a month-by-month or year-by-year basis, focusing almost entirely on the manufacturing phase. Life-Cycle Costing tracks all revenues and expenses generated by a product from its initial design concept to its final withdrawal from the market.
2. Cost Accumulation Phases
A product accumulates costs across three primary structural phases:
- Upstream Costs: Advanced research and development (R&D), prototype engineering, tooling setups, and specialized equipment purchases.
- Manufacturing Costs: Direct materials, direct labor, and daily factory production overheads.
- Downstream Costs: Marketing campaigns, distribution logistics, warranty repairs, customer support, and final environmental recycling or disposal costs.
3. The Leverage of Upstream Planning
Upstream design choices determine a massive share of a product’s lifetime costs.
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While actual cash spending during the R&D phase is low (often 10% to 15% of the total budget), up to 80% of the product’s lifetime manufacturing and warranty costs are committed by choices made during design. Life-cycle costing encourages deeper investment in upstream design to minimize long-term warranty and manufacturing defects.
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