Abger electronics, a retail store, restructures its employees' schedules every six months. the employees are asked for their
shift preferences, and the schedules are rearranged according to these preferences. when there is a conflict, those with the
best total sales over the past six months are given priority. the following graph and table show the most recent sales records
and employee preferences, respectively.
rachel
gary
hannah
christopher
29.7
v14
(000'
2117
21.9
1917
s) ses
18
178
171
17
17.11
15,7
feb
mar
apr
may