Assertion (A) : Ridge Lines in isoquant map set the limits for the positive productivities of the respective inputs used in the production process.

Reasoning (R) : Isoquants will slope positively if the use of an input is increased beyond the limit set by the ridge lines.

  • A

    Both (A) and (R) are correct and (R) is correct explanation of (A)

  • B

    Both (A) and (R) are correct but (R) is not correct explanation of (A)

  • C

    (A) is correct but (R) is not correct   

  • D

    (A) is not correct but (R) is correct