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Inventories (Tables)

12 Months Ended

Dec. 31, 2022

Inventories

Schedule of inventories

	December 31, 2022			December 31, 2021
Finished products (i)	160,519			160,318
Work in process	73,993			51,152
Raw materials	30,773			27,081
Imports in progress	347			1,681
Right to returned goods (ii)	818			2,131
	266,450			242,363

(i)	These amounts are net of slow-moving items and net realizable value.
(ii)	Represents the Company’s right to recover products from customers when customers exercise their right of return under the Company’s returns policies, where the Company estimates the volume of goods returned based on experience and foreseen expectations.

Schedule of changes in provision for inventories

	December 31, 2022			December 31, 2021			December 31, 2020
Opening balance	58,723			62,210			69,080
Additions	46,138			24,178			8,783
(Reversals)	(5,214	)		(2,061	)		(4,726	)
Inventory losses (i)	(15,598	)		(25,604	)		(10,927	)
Closing balance	84,049			58,723			62,210

(i)	Refers substantially to physical books destroyed, previously provisioned, due to indication of damage or obsolescence caused by changes in the educational content during the school year.