Answer:
C) through public elections of local officials
Step-by-step explanation:
The Cost–benefit analysis is also sometimes known as the benefit–cost analysis. It is the systematic approach in estimating the weaknesses and the strengths of the alternatives that is used to determine the options which provides the best method or approach to achieve the benefits while preserving a savings.
It is used to maximize the social welfare. It is for the optimal quantity of any public good. The cost benefit analysis of the public goods like the firework displays should be carried out by a public election of the local officials.