average function to calculate the average quarterly revenue

2:16

3:54

4:06

1:31

1:20

10:47

3:03

9:31

4:52

10:25

25:30

11:33

8:53

9:41

9:41

1:36

2:49

5:38

5:50

5:50

4:52

9:41

14:44

کوتاه

3:54

5:30

9:49

15:13

14:15

11:35

6:39

3:28

14:15

4:08

3:50

24:06

4:30

4:30

2:18

13:45