Process innovation will shift a firm's

A) total product curve upward.
B) total product curve downward.
C) marginal product curve downward.
D) marginal cost curve upward.

Total Product Curve

A graph that shows the relationship between the quantity of inputs used in production and the quantity of output generated, illustrating how output changes with input variations.

Marginal Cost Curve

The marginal cost curve illustrates how the expense of producing one additional unit of a good changes as more goods are produced, typically upward sloping due to increasing costs.