Leslie is a middle-level production manager at the California branch of ALT Corp. ALT Corp. is an automobile manufacturing company that specializes in the manufacture of heavy motor vehicles. Leslie's job is to supervise his assembly line employees. Leslie has worked in this position for over four years and he strongly believes that a supportive leadership style is most suitable in his context. Which of the following, if true, would strengthen Leslie's approach to leadership in this case?

a) The company has recently announced its move to diversify into manufacturing light motor vehicles because of high profitability in that line.

b) With developments in technology, the company was enhancing the role of assembly line employees with new tasks combined into natural work units.

c) Most of the assembly line employees were highly experienced in their jobs and committed to Leslie.

d) A good proportion of the assembly line employees were new employees.

e) The company had initiated many changes in the tasks of assembly line workers in its attempts