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Assertion (A): A recipe that the software ranks first on cost may still be rejected by the colourist.
Reason (R): Ranking is done on the price of the colourants alone, while fastness, compatibility and dispensing accuracy are judged separately.

  • A.A is false but R is true
  • B.Both A and R are true, and R is the correct explanation of A
  • C.Both A and R are true, but R is not the correct explanation of A
  • D.A is true but R is false

Answer: B

Both are true and the reason gives the mechanism, and the cheapest listed recipe is a starting point rather than a decision. A combination may cost least yet contain a colourant with poor light fastness, or one dosed at a weight too small to dispense accurately. The colourist applies those constraints after the ranking is produced.

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