=+The controller of the plant of Berry Building Supplies prepared a graph of the unit costs from the job cost reports for Product X-S1. The graph appeared as follows:

How would you interpret this information? What further information would you request?

Unit Cost

$40

$35

$30

$25

$20

$15

$10

$5

$0 Day of Week Day M T W R F M T W R F M T W R F M T W R F