Which factor is difficult to assess in a cost-benefit analysis
a. product being used by everyone
b. the aesthetic value of nature
identifying internal costs
d.
categorizing internal and external costs

The answer is A. product being used by everyone

Explanation:

A cost-benefit analysis which is sometimes called Benefits cost analysis is a procedure used by an analyst to analyze decisions. The analyst will total the benefits of an action and then deduct the costs linked with taking that action. It’s also a tool used by economists in understanding the product used in the course of action. it is very difficult to assess the benefits of the product used by everyone because cost-benefits analysis only compare the cost with the benefits to get a real value

format change of dna.  

that is true   : ) hope this you