answer both questions please :)

MNCs in developing countries often face a shortage of professional workers. According to this module, an effective way to overcome the shortage is to improve retention of the existing professional employees. to eliminate as many professional positions as possible. to send more expatriates from their home country. to promote under-qualified employees to professional jobs. Question 2 5 pts What two of the three common international staffing policies rely on extensive use of expatriate managers? Polycentric, geocentric Ethnocentric, transcentric Polycentric, transcentric Ethnocentric, geocentric