A firm's isocost line shifts parallel inward from the original isocost line as its

A) total cost for capital and labor increases.
B) total cost for capital and labor decreases.
C) total cost for capital increases and its total cost for labor decreases.
D) total cost for capital decreases and its total cost for labor increases.

Isocost Line

A graph line representing all combinations of inputs that have the same total cost.

Total Cost

The complete cost of production, including both fixed and variable costs, for a set level of output.

Capital

Those goods produced by the economic system that are used as inputs to produce other goods and services in the future.