The sales tax you pay while purchasing a toothpaste is a

Option (D) is correct because, in the pre-GST era, sales tax on intra-state transactions (like buying toothpaste at a shop) was governed by Entry 54 of the State List, giving State Governments the authority to both levy and collect the tax. Option (B) is a common distractor as it describes the mechanism for Central Sales Tax (inter-state trade) or specific duties under Article 268, which do not apply to local retail purchases. The core concept tested is the constitutional distribution of taxing powers between the Union and the States under the Seventh Schedule of the Indian Constitution.