What formula would be used to calculate the hours used by each department?
Dept ... Hours
01 ... 16
43 ... 3
20 ... 5.75
43 ... 9
43 ... 6.75
02 ... 7
02 ... 8.5
20 ... 9.75
01 ... 3.5
43 ... 11.25
43 ... 12
02 ... 2
Dept. 01 total 19.5
Dept. 02 total 10.5
Dept. 20 total 15.5...