The correct answer is (a) Income Tax.
Income tax is a tax on the income of individuals and businesses. It is a direct tax, which means that it is paid directly to the government by the taxpayer. Income tax is not a sales tax, which is a tax on the sale of goods and services. Sales taxes are passed on to the buyer of the goods or services, and they are included in the price of the goods or services.
Trade taxes are taxes on goods that are imported into a country. They are designed to protect domestic industries from foreign competition. Import duties are a type of trade tax. They are a tax on the value of goods that are imported into a country. Import duties are usually paid by the importer, but they can also be paid by the exporter.
Excise duties are taxes on specific goods, such as alcohol, tobacco, and gasoline. They are designed to discourage the consumption of these goods. Excise duties are usually paid by the producer of the goods, but they can also be paid by the retailer.
In conclusion, income tax is the only tax that does not directly increase the price of a commodity to buyers. This is because income tax is a direct tax, which means that it is paid directly to the government by the taxpayer. Income tax is not a sales tax, which is a tax on the sale of goods and services. Sales taxes are passed on to the buyer of the goods or services, and they are included in the price of the goods or services.