Rationale: Such ratios allow comparison of different Design-Ideas.
In Planguage we differ from conventional usage of this term in that:
Abbreviation: Q/C ratio.
• Performance-to-Cost ratio can be used when any of the factors are Quantifiers or savings, and not just Quality.
• Similarly valid: Quantifier-to-Cost-Ratio, Savings-to-Cost-Ratio.
• Popularly (USA) “Bang for the buck”.
This Concept entered by Diane O'Brien.