Table 9-11 -A Company Must Assign Mechanics to Each of Four Jobs

Multiple Choice

Table 9-11
-A company must assign mechanics to each of four jobs. The time involved varies according to individual abilities. Table 9-11 shows how many minutes it takes each mechanic to perform each job. If the optimal assignments are made, how many total minutes would be required for completing the jobs?

A) 0
B) 4
C) 17
D) 16
E) None of the above