(1) A hirer shall, at any time before the final payment under a hire-purchase agreement falls due, be entitled to determine the agreement by giving notice of termination in writing to any person entitled or authorised to receive the sums payable under the agreement, and shall, on determining the agreement under this section, be liable, without prejudice to any liability which has accrued before the termination, to pay the amount, if any, by which one-half of the hire-purchase price exceeds the total of the sums paid and the sums due in respect of the hire-purchase price immediately before the termination, or such less amount as may be specified in the agreement.
(2) Where a hire-purchase agreement has been determined under this section, the hirer shall, if he has failed to take reasonable care of the goods, be liable to pay damages for the failure.
(3) Where a hirer, having determined a hire-purchase agreement under this section, wrongfully retains possession of the goods, then, i