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Expenses and costs by nature
 12 Months Ended
Dec. 31, 2023
Notes and other explanatory information [abstract]  
Expenses and costs by nature

 

20Expenses and costs by nature

 

     
  2023 2022 2021
       
Cost of services (1,109,813) (859,552) (652,300)
Selling, general and administrative expenses (1,014,684) (798,153) (622,615)
Total (2,124,497) (1,657,705) (1,274,915)
       
Payroll (1,085,144) (880,664) (677,564)
Hospital and medical agreements (86,151) (66,065) (37,449)
Depreciation and amortization (289,511) (206,220) (154,220)
Lease expenses (10,871) (12,153) (11,229)
Utilities (20,403) (17,682) (10,643)
Maintenance (105,919) (76,475) (47,141)
Share-based compensation (31,535) (31,274) (43,377)
Tax expenses (14,447) (10,518) (7,997)
Pedagogical services (64,081) (48,084) (47,881)
Sales and marketing (74,140) (48,217) (39,506)
Allowance for expected credit losses (74,552) (42,708) (47,819)
Travel expenses (16,098) (14,003) (7,542)
Consulting fees (62,630) (35,326) (38,818)
Other (189,015) (168,316) (103,729)
Total (2,124,497) (1,657,705) (1,274,915)