In addition to their natural classifications, expenses are also classified by their functional classifications. Functional classifications are assigned to departments based on the nature of their activity, such as instruction, public service, institutional support, etc.

Operating expenses by functional classification for the years ended September 30, 2020 and 2019 are summarized as follows:

2019 Operating Expenses (by functional classification)
Salaries, wages and benefits
Supplies and services
Depreciation
Scholarships and fellowships
Total
Instruction
288,748,543
32,992,269
18,343,614
-
340,084,426
Research
44,343,117
27,852,109
7,710,179
-
79,905,405
Public service
39,302,941
11,862,236
1,954,394
-
53,119,571
Academic support
67,338,690
7,272,948
14,636,575
-
89,248,213
Student services
39,237,571
11,781,941
5,687,332
-
56,706,844
Institutional support
76,375,465
18,852,978
8,421,801
-
103,650,244
Operations and maintenance
70,632,805
21,100,092
-
-
91,732,897
Scholarships and fellowships
-
-
-
26,788,692
26,788,692
Auxiliary enterprises
85,132,466
73,735,184
24,941,974
8,647,041
192,456,665
Total operating expenses
711,111,598
205,449,757
81,695,869
35,435,733
1,033,692,957

2019 Operating Expenses (by functional classification)
Salaries, wages and benefits
Supplies and services
Depreciation
Scholarships and fellowships
Total
Instruction
297,467,363
44,025,924
17,316,287
-
358,809,574
Research
38,725,055
30,893,292
7,285,356
-
76,903,703
Public service
37,948,763
12,864,748
1,805,580
-
52,619,091
Academic support
67,030,949
17,182,958
14,185,268
-
98,399,175
Student services
40,900,552
16,492,629
5,590,605
-
62,983,786
Institutional support
79,689,598
19,234,060
7,621,508
-
106,545,166
Operations and maintenance
74,106,901
27,075,521
-
-
101,182,422
Scholarships and fellowships
-
-
-
15,704,771
15,704,771
Auxiliary enterprises
92,648,328
107,554,466
25,061,327
10,554,449
235,818,570
Total operating expenses
728,517,509
275,323,598
78,865,931
26,259,220
1,108,966,258