In most factories, improving the technology of the assembly line increases labor productivity, the amount of goods a worker can produce per hour. In Libertore Factory, labor productivity is 20 percent higher than in Koltun Industries. Therefore, Libertore Factory must be further advanced technologically than Koltun Industries.The argument above is most vulnerable to which of the following criticisms?

About a third of the questions that appear in the GMAT verbal section are critical reasoning questions.Typical questions that appear in critical reasoning (GMAT CR) include strengthening an argument, weakening an argument, identifying the assumption of an argument, mimic the reasoning, identify the reasoning, conclusion, inference, bold faced statements, and evaluating an argument.

Each of the critical reasoning questions is based on a short argument, a set of statements, or a plan of action.