Answer:
The answer is option (d) entrepreneurship.
Step-by-step explanation:
Entrepreneurship is one of the factors of production. It is a term that describes the process of designing or creating a business, launching it and running the business or project with a view to making profits.
People who follow such processes are called entrepreneurs. Like Melinda and Carl, they invest their own resources into the project, bear the risk and reap profits if the project becomes successful.