The correct answer is: B. Current liability
Outstanding wages are the wages that have been earned by employees but have not yet been paid. They are considered a current liability because they are expected to be paid within one year.
Current assets are assets that are expected to be converted into cash or used up within one year. Examples of current assets include cash, accounts receivable, and inventory.
Capital expenditure is the cost of acquiring or improving a long-term asset. Examples of capital expenditure include the purchase of a new building or the installation of new equipment.
Revenue expenditure is the cost of goods or services that are used up in the current period. Examples of revenue expenditure include the cost of goods sold and the cost of services provided.
In conclusion, outstanding wages are a current liability because they are expected to be paid within one year.