Respuesta :
The variables you say, it means Hours of labor and numbers of workers are things that are related to productivity.So the option you are looking for is option B. Hope this is good for you
Answer: B: Productivity
Hours of labor or number of workers are common ways of measuring a company's productivity.
Explanation:
Productivity refers to output per unit of input. It means efficient usage of labour, capital, land, materials, resources, energy and so on in the production of goods and provision of services. In other words, it is the efficiency of the production process or measurement of efficiency.