Ben cartwright runs the wild west wax museum in carson​ city, nevada. the museum has been in business for​ 40 years and is a major tourist attraction. the total value of the​ museum's capital stock is​ $3.5 million, which ben owns outright. this​ year, the museum earned a total of​ $1.4 million after​ out-of-pocket expenses. without taking the opportunity cost of capital into​ account, this means that ben is earning a 40 percent return on his capital. suppose that​ risk-free bonds are currently paying a rate of 1010 percent to those who buy them.