First come, first served

       job    arrival    runtime   priority      start        end turnaround

         A          0         10          3          0         10         10
         B          0          6          5         10         16         16
         C          0          2          2         16         18         18
         D          0          4          1         18         22         22
         E          0          8          4         22         30         30
         F          2          2          6         30         32         30

Average turnaround time =        21.00

Shortest job first

       job    arrival    runtime   priority      start        end turnaround

         A          0         10          3         22         32         32
         B          0          6          5          8         14         14
         C          0          2          2          0          2          2
         D          0          4          1          4          8          8
         E          0          8          4         14         22         22
         F          2          2          6          2          4          2

Average turnaround time =        13.33

Priority

       job    arrival    runtime   priority      start        end turnaround

         A          0         10          3         16         26         26
         B          0          6          5          0          8          8
         C          0          2          2         26         28         28
         D          0          4          1         28         32         32
         E          0          8          4          8         16         16
         F          2          2          6          2          4          2

Average turnaround time =        18.67

Round robin, quantum = 1

       job    arrival    runtime   priority      start        end turnaround

         A          0         10          3          0         32         32
         B          0          6          5          1         25         25
         C          0          2          2          2          9          9
         D          0          4          1          3         19         19
         E          0          8          4          4         30         30
         F          2          2          6          7         14         12

Average turnaround time =        21.17

Round robin, quantum = 2

       job    arrival    runtime   priority      start        end turnaround

         A          0         10          3          0         32         32
         B          0          6          5          2         24         24
         C          0          2          2          4          6          6
         D          0          4          1          6         18         18
         E          0          8          4          8         30         30
         F          2          2          6         12         14         12

Average turnaround time =        20.33