Explain how the following events would affect the demand for labor. Part 2 a. A new education program administered by the company increases labor's marginal product. Part 3 The demand for labor would remain unchanged increase decrease . Part 4 b. The firm completes a new plant with a larger workspace and new machinery that workers can utilize and that does not substitute for the functions provided by workers' labor. Part 5 The demand for labor would decrease increase remain unchanged