Sole proprietor, the owner has personal financial responsibility.
Answer:
Efficiency requires that one lighthouse is built since the willingness to pay of all the residents together is larger than the cost of providing the lighthouse
Explanation:
Since the lighthouse is a public good, according to the coase theorem, if the combined willingness to pay for the lighthouse of all of the people living on the islands is higher than the cost of the lighthouse, then a lighthouse should be built.
The total willingness to pay is:

The population willingness to pay is higher than the cost of building one lighthouse ($2000) but lower than the cost of building two lighthouses ($4000). Therefore, efficiency requires that one lighthouse is built since the willingness to pay of all the residents together is larger than the cost of providing the lighthouse.
Answer:
The answer is option (C) authority-compliance style.
Explanation:
The authority-compliance style In the context of the Blake/Mouton leadership grid describes when managers or bosses are overly concerned about the effectiveness with which their employees or subordinates get work done without regard for the well being of such employees.
This kind of dictatorial management style is due to the fact that a manager or boss believes that the needs of his/her subordinates or employees are relatively unimportant when compared to achieving success or getting work effectively done.