Imagine you own a machine that produces perfectly authentic and legal $100 bills. You would use this machine until:
A) the bills became worthless.
B) the total cost began to fall.
C) the marginal cost was $100.
D) the variable cost began to rise.
E) the marginal revenue began to fall.

Question

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The Answer of Imagine you own a machine that produces perfectly authentic and legal $100 bills. You would use this machine until:
A) the bills became worthless.
B) the total cost began to fall.
C) the marginal cost was $100.
D) the variable cost began to rise.
E) the marginal revenue began to fall.

Imagine You Own a Machine That Produces Perfectly Authentic and Legal