Answer: C, Wages would likely decrease because less growth in industries creates a lower demand for specific skillsets. (C. Wages would likely decrease because there is a minimum level of expertise and training needed to print books.)
Does this help? https://www.hickmanmills.org/cms/lib3/MO01001730/Centricity/Domain/794/Characteristics%20of%20a%20Market%20Economy.htm It's a link to a story but maybe it has your answer?