The correct answer is B. The second pair of cleats.
The three levels of production include;
1. Primary level- here raw materials are being extracted to the surface of the earth. A good example is fishing and farming.
2. Secondary level is where we have processes and manufacturing where raw materials are converted to finished goods. Assembling and construction is being done in this level where small parts are joint together to form a whole unit. Tertiary is made of services.
3. Commerce. The purpose of this level is to trade. for example, communication, insurance, transport and warehousing.