(1) What is the rand value of (a)(i) diesel, (ii) petroleum and (iii) black oil products that have been purchased by PetroSA through prepayment to the suppliers since 1 July 2022 and (b) the specified products that have actually been delivered to PetroSA; (2) whether there has been any discrepancy between the two specified values; if not, what is the position in this regard; if so, what (a) are the reasons for such a discrepancy and (b) steps have been taken to recover the shortfall in delivery and/or reimburse the supplier for over-delivery?