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Assertion (A): A spectral match is often more expensive than a tristimulus match.
Reason (R): It generally requires the same colourants as the standard rather than the cheapest available.

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

Answer: A

Both are true and the reason gives the cost, and the customer must decide which matters more. Cheapness and robustness pull in opposite directions here. The customer must decide which matters more. Cost and durability pull against each other.

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