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Cash and Cash Equivalents | 12 Months Ended
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Dec. 31, 2018
Cash and Cash Equivalents |
Cash and Cash Equivalents | 5. Cash and Cash Equivalents
|  | 12/31/2018 |  | 12/31/2017
Cash and banks |  |  |  |
Local currency |  | 28,233 |  | 19,124
Foreign currency |  | 1,123,533 |  | 583,604
|  | 1,151,766 |  | 602,728
Financial investments |  |  |  |
Local currency |  | 3,215,252 |  | 472,168
Foreign currency |  | 20,435 |  | 1,937
|  | 3,235,687 |  | 474,105
|  | 4,387,453 |  | 1,076,833
Financial investments in local currency are low risk and highly liquid and correspond to investments indexed to the CDI. On December 31, 2018, the interest rates on financial investments ranged of 99.46% of CDI index (December 31, 2017, the interest rates ranged 110.60% of CDI index).

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- Definition The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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