Whether, with regard to information given at the recent Summit on Tourism, Sport and Mega Events held in Sandton that tourism marketing produces tax receipts for the fiscus at the rate of four times the receipts for every unit of marketing expenditure, his department has calculated the overall effect on the SA Revenue Service receipts over the medium term expenditure framework period where the transfer payment to SA Tourism has been reduced by R51 million, R54 million and R57 million; if not, why not; if so, what are the relevant details?