Definition:
Within an Value-Decision-Table, for a Specific-Design-Idea (or set of Design-Ideas or Evo-Step), the Sum-of-Costs is the vertical sum of the Percentage-Impacts of selected Scalar Resource Attributes. Sometimes, the numeric average is calculated by dividing the sum by the number of summed Resource Attributes.
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Notes
1. This gives a general Idea of the Resource consumption by a Specific-Design-Idea (or set of Design-Ideas or Evo-Step), and can be compared to the performance improvements likely to be obtained.
2. Performance-to-Cost-Ratios can be calculated by dividing the Sum-of-Costs into the Sum-of-Performance.
3. Value-To-Cost-Ratios can be calculated by dividing the Sum-of-Costs into the Value calculated/estimated for Stakeholder value.
4. An alternative to using the Sum-of-Costs in a “ratio” calculation is to use the sum of the absolute financial costs.
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Related-Concepts
• Sum-of-Performance *008
• Performance-to-Cost-Ratio *010
• Value-To-Cost-Ratio *635
History-of-Concept
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This Concept entered by Lisa.
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