a sales tax is a type of\nprogressive tax.\nindirect tax.\nproportional tax.\ndirect tax.

Brief Explanations:

A sales tax is levied on the sale of goods and services and is passed - on to the consumer by the seller. It is not directly paid by the income - earner to the government. Progressive taxes increase as income increases, proportional taxes are a fixed percentage of income, and direct taxes are paid directly by the taxpayer (like income tax). Sales tax is an indirect tax as the burden is shifted to the consumer.

Answer:

indirect tax.