Santiago Prez, the installation manager at Knight Gutter Guard, has been receiving customer complaints that several crewmembers either come late to the job or they do not show up at all, without any communication with the customers. The job completion dates keep getting delayed and customer dissatisfaction keeps increasing. Santiago has also just hired several new employees who are motivated, able to perform their jobs, and have adequate resources. However, they are not sure what tasks are included in their job. Santiago is wondering how he can understand what is going on with his crew behavior and what he can do to improve the situation. What is an organization's main source of competitive advantage? Select one: () a. employee turnover () b. external stakeholders () . relationships with coworkers () d. team development ) e. human capital