What is the tax rate and surcharge for cooperative society, firm and local authority for AY 2017-18

Paragraph B of Part I of The First Schedule: Cooperative Society

Slab Rates of Tax
Up to Rs. 10000 10%
Above 10000 but not exceeding 20000 1000 + 20% of Amount exceeding Rs. 10000
Above Rs. 20000 Rs. 3000 +30% of Amount exceeding Rs. 20000
Paragraph C- Firm 30%
Paragraph D- Local Authority 30%

The amount of income-tax computed in accordance with the preceding provisions of this Paragraph, or the provisions of section 111A or section 112 of the Income-tax Act, shall, in the case of every Coperative Society/firm/local authority, having a total income exceeding one crore rupees, be increased by a surcharge for the purposes of the Union calculated at the rate of twelve per cent of such income-tax:

Marginal Relief Provisions are similar to Individuals