Answer: Option B
Explanation: In simple words, current liabilities refers to the obligations and promises that an entity has to pay within a year. These liabilities usually arise due to the need of an organisation to fulfill their short term requirements to operate the business efficiently.
These liabilities are of critical in nature as they directly affects the liquidity of the business. In the given case, sales tax payable is the only obligation that must be fulfilled with a year. Hence it is a current liability.