Merrifield Post Office is evaluating the productivity of its mail processing centers. The centers differ in the degree o

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Merrifield Post Office is evaluatingthe productivity of its mail processing centers. The centers differin the degree of automation, the type of work that can be performedand the skill of the workers.
Center
1
2
3
Pieces processed
1,000
2,000
3,000
Workers/hr
10
5
2
Hourly wage rate
$5.50
$10
$12
Overhead/hr
$10
$25
$50