Table:
Year Ended December 31,

2019	2018

Sales	$788,948	$718,892

Gross profit	315,652	365,607

Operating expenses	261,264	194,054

Operating income from continuing operations	54,388	171,553

Other income (expense), net	12,806	823

Income from continuing operations before income taxes	67,194	172,376

Provision for income taxes	10,699	25,227

Income from continuing operations, net of income taxes	$ 56,495	$ 147,149

Your task is as follows:
In this table image, locate all merged cells and detail their regions using the JSON {'top-left':(R1, C1), 'bottom-right':(R2, C2)}. Here, '(R1, C1)' and '(R2, C2)' denote the coordinates (row_id, column_id) of the top-left and bottom-right cells of the merged regions, respectively. Keep in mind that row and column IDs start from 1.

This table does not contain any merged cells.