The outcome of an international EU/ECVAM/COLIPA validation exercise [2] documented that the phototoxic potential of chemicals can be predicted by applying the 3T3-NRU in vitro phototoxicity test (3T3-NRU-PT).
contributory value. Definition. Amount of value added to the overall value of a property resulting from remodeling or renovating one area of the property. The contributory value is the actual amount of value gained by the addition or renovation. Print Cite / Link.
Contribution margin. Contribution margin (CM), or dollar contribution per unit, is the selling price per unit minus the variable cost per unit. âContributionâ represents the portion of sales revenue that is not consumed by variable costs and so contributes to the coverage of fixed costs. This concept is one of the key building blocks of break-even analysis.