Answer:
Late midlife.
Step-by-step explanation:
The period of midlife is the most pivot period of an individual's life. It approximately spans from age 40 to age 65. This period of life can be a stressful time. It is the period of preparing for aging, retirement and saving for old age.
If Sandra has been actively planning for her retirement and today, finally, is her last day on the job, she could be at the period of late midlife. It ranges from the age of 60 to 75 in an individuals life. By this period of time, Sandra have had saved enough to sustain herself for the rest of her life without working.