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Assertion (A): The cheapest predicted recipe is not always the one chosen.
Reason (R): Metamerism, fastness and compatibility may all argue against it.

  • 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 competing considerations, and cost is only one of them. A cheap recipe that fails in service costs far more in the end. Cost is only one of several criteria. A failure in service costs far more.

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