Table:
Consolidated

2019	2018

US$000	US$000

Profit before income tax includes the following specific expenses:

Included in professional advice expense

Costs associated with acquisitions	244	572

Finance costs

Interest and finance charges paid/payable	1	2

Unwinding of the discount on provisions	199	60

Finance costs expensed	200	62

Operating leases included in income statement

Office rent	4,339	3,538

Equipment	12	16

Motor vehicle	51	96

Total expense relating to operating leases	4,402	3,650

Post-employment benefits

Post-employment benefits: defined contribution	2,169	1,870

Research and development costs expensed

Research and development costs incurred	18,478	17,793

I'd like to know the total number of rows and columns in the provided table. The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

This table has 19 rows and 3 columns. Thus, the final answer is {"row_number": "19", "column_number": "3"}.