Table:
sub-groups of the agri-food industry
eastern ontario
northern ontario

french-language workers
other workers
french-language workers
other workers

percent

input and service supply
2.9
2.1
2.9
1.3

food, beverage, and tobacco processing
9.7
6.0
3.0
3.3

food retail and wholesale
35.3
31.3
39.1
37.3

food service
52.1
60.6
55.0
58.1

In this table image, can you identify any merged cells and provide their locations in the JSON format of {'top-left':(x, y), 'bottom-right':(m, n)}, where (x, y) is the top-left and (m, n) is the bottom-right cell coordinates? Cell coordinates start from (1,1).

The merged cell regions are as follows:
{'top-left':(1, 1), 'bottom-right':(3, 1)}
{'top-left':(1, 2), 'bottom-right':(1, 3)}
{'top-left':(1, 4), 'bottom-right':(1, 5)}
{'top-left':(3, 2), 'bottom-right':(3, 5)}.