Machinery, equipment and improvements on leased assets

12 Months Ended

Dec. 31, 2020

7.	Machinery, equipment and improvements on leased assets

As of December 31, 2018, 2019 and 2020, the machinery, equipment and improvements on leased assets are comprised as follows:

	Balance as of January 1, 2018			Additions			Disposals			Currency translation effect			Balance as of December 31, 2018
Investment:
Machinery and equipment	Ps.	2,268,920		Ps.	444,495		Ps.	(62,642	)	Ps.	15,759		Ps.	2,666,532
Office furniture and equipment		240,898			61,414			(1,455	)		469			301,326
Computer equipment		710,584			107,381			(9,104	)		5,602			814,463
Transportation equipment		47,068			13,537			(3,072	)		562			58,095
Communication equipment		30,432			1,633			(911	)		—			31,154
Improvements on leased assets		71,598			3,995			(4,010	)		—			71,583
Total investment		3,369,500			632,455			(81,194	)		22,392			3,943,153
Accumulated depreciation:
Machinery and equipment		(1,071,571	)		(221,674	)		55,770			(2,229	)		(1,239,704	)
Office furniture and equipment		(117,093	)		(20,839	)		1,864			(197	)		(136,265	)
Computer equipment		(459,513	)		(135,272	)		9,054			(305	)		(586,036	)
Transportation equipment		(34,558	)		(8,177	)		3,066			(190	)		(39,859	)
Communication equipment		(16,776	)		(2,354	)		786			—			(18,344	)
Improvements on leased assets		(14,301	)		(3,328	)		917			—			(16,712	)
Total accumulated depreciation		(1,713,812	)		(391,644	)		71,457			(2,921	)		(2,036,920	)
Net amounts	Ps.	1,655,688		Ps.	240,811		Ps.	(9,737	)	Ps.	19,471		Ps.	1,906,233

	Balance as of January 1, 2019			Additions			Disposals			Currency translation effect			Balance as of December 31, 2019
Investment:
Machinery and equipment	Ps.	2,666,532		Ps.	224,218		Ps.	(39,546	)	Ps.	(12,481	)	Ps.	2,838,723
Office furniture and equipment		301,326			60,415			(12,209	)		(1,965	)		347,567
Computer equipment		814,463			133,162			(30,576	)		(6,301	)		910,748
Transportation equipment		58,095			17,585			(1,178	)		(785	)		73,717
Communication equipment		31,154			1,261			(2,823	)		—			29,592
Improvements on leased assets		71,583			764			—			—			72,347
Total investment		3,943,153			437,405			(86,332	)		(21,532	)		4,272,694
Accumulated depreciation:
Machinery and equipment		(1,239,704	)		(260,223	)		37,221			17,968			(1,444,738	)
Office furniture and equipment		(136,265	)		(26,821	)		11,059			1,388			(150,639	)
Computer equipment		(586,036	)		(136,589	)		26,949			10,912			(684,764	)
Transportation equipment		(39,859	)		(10,210	)		1,023			387			(48,659	)
Communication equipment		(18,344	)		(2,274	)		2,663			—			(17,955	)
Improvements on leased assets		(16,712	)		(3,543	)		—			—			(20,255	)
Total accumulated depreciation		(2,036,920	)		(439,660	)		78,915			30,655			(2,367,010	)
Net amounts	Ps.	1,906,233		Ps.	(2,255	)	Ps.	(7,417	)	Ps.	9,123		Ps.	1,905,684

	Balance as of January 1, 2020			Additions			Disposals			Currency translation effect			Balance as of December 31, 2020
Investment:
Machinery and equipment	Ps.	2,838,723		Ps.	596,729		Ps.	(156,335	)	Ps.	(12,481	)	Ps.	3,341,641
Office furniture and equipment		347,567			19,308			(900	)		2,991			368,966
Computer equipment		910,748			160,764			(12,237	)		20,326			1,079,601
Transportation equipment		73,717			36,226			(7,715	)		1,573			103,801
Communication equipment		29,592			530			(428	)		—			29,694
Improvements on leased assets		72,347			—			(14,393	)		—			57,954
Total investment		4,272,694			813,557			(192,008	)		87,414			4,981,657
Accumulated depreciation:
Machinery and equipment		(1,444,738	)		(298,406	)		32,604			(28,336	)		(1,738,876	)
Office furniture and equipment		(150,639	)		(28,847	)		866			(1,579	)		(180,199	)
Computer equipment		(684,764	)		(141,593	)		12,236			(843	)		(814,964	)
Transportation equipment		(48,659	)		(15,464	)		6,727			(413	)		(57,809	)
Communication equipment		(17,955	)		(2,116	)		424			—			(19,647	)
Improvements on leased assets		(20,255	)		(3,675	)		—			—			(23,930	)
Total accumulated depreciation		(2,367,010	)		(490,101	)		52,857			31,171			(2,835,425	)
Net amounts	Ps.	1,905,684		Ps.	323,456		Ps.	(139,151	)	Ps.	56,243		Ps.	2,146,232

As of December 31, 2018, 2019 and 2020, the net balances of machinery, equipment and improvements on leased assets are:

	December 31, 2018		December 31, 2019		December 31, 2020
Net amounts:
Machinery and equipment	Ps.	1,426,828	Ps.	1,393,985	Ps.	1,602,765
Office furniture and equipment		165,061		196,928		188,767
Computer equipment		228,427		225,984		264,637
Transportation equipment		18,236		25,058		45,992
Communication equipment		12,810		11,637		10,047
Improvements on leased assets	54,871			52,092		34,024
Total amounts	Ps.	1,906,233	Ps.	1,905,684	Ps.	2,146,232

The Company has several buildings under operating leases for office use. In Note 32, the costs and obligations under these leases are disclosed.