<p>Sales tax that tourists pay in a foreign country may be <strong>refundable</strong> when they leave the country.</p><div>(A) calculated - This option suggests that the sales tax is being determined or computed, but it does not address whether it can be refunded.</div><div>(B) audited - This option implies that the sales tax is being reviewed for accuracy, but it does not indicate whether it can be refunded.</div><div>(C) projected - This option means that the sales tax is being estimated or predicted, but it does not specify whether it can be refunded.</div><div>(D) refundable - This is the correct option. Refundable means that the sales tax can be reimbursed or given back to the tourists when they leave the country.</div>