Final answer:
The scenario with Martina Duermo likely focuses on the challenges associated with employee hiring and retention, and how employers like Martina assess potential hires to avoid the risk of employing a 'lemon'.
Step-by-step explanation:
The primary focus of the MCQ scenario involving Martina Duermo and her business services consulting company is likely to reflect on how employers, such as Martina, can mitigate the risks associated with hiring new employees—a concern related to employee retention and the quality of hires. Considering the provided context about Greta's job application process, the scenario seems to address the challenges employers face in assessing potential hires and the methods used to screen candidates effectively. Employers often rely on various signals, like education, accolades and references, to gauge a candidate's work ethic, perseverance, and suitability for the job, which highlighted in the scenario as primary concerns that Martina might hold when hiring for her consulting firm.