This is true. Hope I could help!
One advantage of modularization is that it simplifies its own manufacturing systems. With this, companies can separate their material cost and product development, and they can also optimize their total product cost through increasing the potential of the variety of products, having a fast product development and upgrade, having a better time-to-market, service support, aftermarket, and lastly, enabling continuous market and product improvement.
Answer: A. True
Explanation: If he were inexperienced in this field or he was doing it as his hobby (casual objectives) with no goal to reproduce or add to the data already published, or were there people involved in his research, then this would have been categorized as informal research. However this setting is strictly formal, and authenticity of data is mandatory. Print and online journal articles contain the case studies already researched thoroughly.