4 points Fadi, the CEO at XYZ Company, has recently hired a researcher who was in charge of understanding the lack of innovation in the company's product designs and marketing strategies. The researcher came up with the following conclusion: "I think that the homogeneity of the workforce is the major impediment. I do recognize the importance of hiring from inside the firm and fostering career advancement opportunities. Yet, the firm should not go to the extreme in this approach". Thus, the researcher's analysis of the situation shows that he would recommend the firm to adopt in order to solve the current problem. * Overtime External recruitment Internal recruitment Promotion from within