Table:
Years ended December 31,

2019	2018	2017

(in thousands, except share and per share data)

Revenues:

Subscription solutions	$642,241	$464,996	$310,031

Merchant solutions	935,932	608,233	363,273

1,578,173	1,073,229	673,304

Cost of revenues(1)(2):

Subscription solutions	128,155	100,990	61,267

Merchant solutions	584,375	375,972	231,784

712,530	476,962	293,051

Gross profit	865,643	596,267	380,253

Operating expenses:

Sales and marketing(1)(2)	472,841	350,069	225,694

Research and development(1)(2)	355,015	230,674	135,997

General and administrative(1)	178,934	107,444	67,719

Total operating expenses	1,006,790	688,187	429,410

Loss from operations	(141,147)	(91,920)	(49,157)

Other income	45,332	27,367	9,162

Loss before income taxes	(95,815)	(64,553)	(39,995)

Provision for income taxes	29,027	—	—

Net loss	$(124,842)	$(64,553)	$(39,995)

Basic and diluted net loss per share attributable to shareholders	$(1.10)	$(0.61)	$(0.42)

Weighted average shares used to compute net loss per share attributable to shareholders	113,026,424	105,671,839	95,774,897

Answer the following question drawing on both the table and the accompanying text, include the steps to get the answer if you wish, but end your response with {"answer": ["ANSWER"], "scale": "SCALE"} (scale blank when not needed).

Background:
Results of Operations
The following table sets forth our consolidated statement of operations for the years ended December 31, 2019, 2018, and 2017.
(1) Includes stock-based compensation expense and related payroll taxes as follows:

Question: What is the change in the average total operating expenses between 2017-2018 and 2018-2019?

[(1,006,790+688,187)/2] - [(688,187+429,410)/2], therefore {"answer": "288690", "scale": "thousand"}