The producers is practicing specialization when a manufacturer or a producer concentrates on one very specific product.
Answer: Option C
Step-by-step explanation:
Specialization is when a producer produces only a particular kind of good and focuses on the production of that good. The producer of that good tries to reduce the cost of producing that good and increase in profit.
Proper efficient techniques are used and that too efficiently so that the resources used in that goods are also used judiciously and not wasted. This helps the producer of that good to become competitive in the market of that good and do better than others.