Ms. Williams, a middle school principal, has become aware of declining levels of teacher morale on campus. There has been a 50 percent turnover rate for the past 2 years, with teachers leaving and more asking to be transferred to other campuses. Ms. Williams would like to rebuild morale and retain teachers on her campus. To most effectively address this issue, Ms. Williams can: Group of answer choices increase teacher pay and incentives immediately. give teachers two planning periods instead of one. involve teachers in campus planning and decision-making. encourage teachers to air their concerns and complaints at monthly faculty meetings