I need to write about all of these areas and would appreciate some insight!

1/Identify the sector to which each of the following types of company belongs: electricity producer, supermarket, temporary employment agency, specialised retailer, construction and public infrastructure. Company 1 2 3 5 100 100 100 100 100 100 104 100 99 0 0 0 0 23.0 0 24.8 0 23.6 0 } 46.6 7.8 7.0 46.9 14.1 Sales Production Trading profit Raw materials used Other external charges Personnel cost EBITDA Depreciation and amortisation Operating income 88.2 9.3 6.8 11.7 6.7 0.9 21.5 28.1 24.1 3.7 4.6 0.7 2.6 14.4 1.2 4.2 5.8 7.1 2.9 3.1 1/Identify the sector to which each of the following types of company belongs: electricity producer, supermarket, temporary employment agency, specialised retailer, construction and public infrastructure. Company 1 2 3 5 100 100 100 100 100 100 104 100 99 0 0 0 0 23.0 0 24.8 0 23.6 0 } 46.6 7.8 7.0 46.9 14.1 Sales Production Trading profit Raw materials used Other external charges Personnel cost EBITDA Depreciation and amortisation Operating income 88.2 9.3 6.8 11.7 6.7 0.9 21.5 28.1 24.1 3.7 4.6 0.7 2.6 14.4 1.2 4.2 5.8 7.1 2.9 3.1