An isocost line identifies (A) the least costly combination of inputs needed to produce a given level of output. (B) the relative prices of inputs. (C) the technological relationships among inputs. (D) the rate at which one input can be substituted for another in the production process.

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An isocost line identifies (A) the least costly combination of inputs needed to produce a given level of output.
(B) the relative prices of inputs. (C) the technological relationships among inputs. (D) the rate at which one input
can be substituted for another in the production process.

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