(1) An investment firm shall provide its retail clients and potential retail clients with information on costs and associated charges that includes the following:
(a) the total price to be paid by the client in connection with the financial instrument or the investment service or ancillary service, including all related fees, commissions, charges and expenses, and all taxes payable via the investment firm or, if an exact price cannot be indicated, the basis for the calculation of the total price so that the client can verify it;
(b) where any part of the total price referred to in point (a) is to be paid in or represents an amount of foreign currency, an indication of the currency involved and the applicable currency conversion rates and costs;
(c) notice of the possibility that other costs, including taxes, related to transactions in connection with the financial instrument or the investment service may arise for the client that are not paid via the investment firm or imposed by