Which of the following statements is incorrect in relation to ‘sale on approval”?

Which of the following statements is incorrect in relation to ‘sale on approval’? The seller cannot ask for the return of the goods sold. The seller cannot recover the price, if the goods are not returned within a reasonable time. The seller can recover the price, if the goods are not returned without a reasonable time. The ownership of goods is transferred to the buyer, if he fails to return the goods within fixed time.