Choose the adjective form of 'Tax'.

• Tax: [noun]
English meaning: (an amount of) money paid to the government that is based on your income or the cost of goods or services you have bought.
Bangla meaning: কর; খাজনা।

Options,
ক) Taxation: the system of taxing people: noun.

খ) Taxing: difficult or needing a lot of thought or effort: adjective.

ঘ) Taxbility: Wrong word.

Source: Cambridge Dictionary.