The ability of a monopoly to charge a price that exceeds marginal cost depends on the

Refer to Scenario 12.1. Suppose that a third friend, Ryan, joins Simon and Paula on their way home from school, and this reduces the probability of any particular individual from stepping forward to help the man being attacked from 70% to 60%

What is the probability of either Simon, Paula, Ryan, or any combination of the three trying to rescue the man? A) 21.6% B) 50.4% C) 72.0% D) 93.6%

The selling prices of goods and services in the open market is called the _______ value.

a. exchange b. sale c. money d. risk e. none of the above