'sons of mine'. Who is speaking here?

In the following conversation, which group discussion technique does emily most clearly show?

What is wrong with they follow citation of a book with two authors

Ron and nick chose to start their own businesses. ron wanted to start an ice cream shop, and nick wanted to launch a television manufacturing company. ron and nick had equal amounts of funds on hand and no government regulations restricting them. months later, however, ron has already set up his business, while nick is still struggling to raise additional funds to build a factory. what was the main factor that affected nick’s business? a. an irrelevant business idea b. low demand for tvs in his country c. high start-up costs d. lack of labor economics