Television programs are nonrivalous because:
a. individuals ignore the effect their use has on the amount of the resource remaining for others.
b. the market suffers from inefficiently low consumption.
c. the program is subject to the free-rider problem.
d. more than one person can consume the same unit of the good at the same time.
e. the supplier cannot prevent consumption by people who do not pay for it.

(B) more than one person can consume the same unit of the good at the same time.

Explanation:

A service is rival in consumption if the same unit of the good cannot be consumed by more than one person at the same time and nonrival in consumption if more than one person can consume the same unit of the good at the same time.

answermarginal cost;

answer(d) encourage cooperation by improving the chances of mutually agreeable transactions;