(1) Whether the Land Bank has changed its model of calculating interest on outstanding loans since 1994; if so, (a) when was the model changed, (b) what are the details of the changes and (c) why was it regarded necessary for the change; (2) whether the debtors concerned were informed of the full details and implications of such changes at the time when the decision was made; if not, why not; if so, how were they informed; (3) whether the decision to change the model was taken by the board; if not, who took the decision; if so, on what date was the decision taken; (4) whether existing loan agreements were amended upon the introduction of a new model; if not, why not; if so, (5) whether (a) such amendments were communicated to all debtors concerned and (b) it is envisaged that the existing model will be amended further; if not, why not; if so, what are the relevant details in each case?