(a) Each pharmacy, as defined in section 151.01, subdivision 2, shall provide the following information to a patient upon request:
(1) the pharmacy's own usual and customary price for a prescription drug;
(2) a record, including all transactions on record with the pharmacy both past and present, of all co-payments and other cost-sharing paid to the pharmacy by the patient for up to two years; and
(3) the total amount of all co-payments and other cost-sharing paid to the pharmacy by the patient over the previous two years.
(b) The information required under paragraph (a) must be readily available at no cost to the patient.