In the tables immediately below, for each of Bill No.2, Bill No.3, Bill No.4, Bill No.5, Bill No.6, Bill 8 and Bill 9, bidders shall (a) indicate their amounts of local currency payment, (b) indicate their proposed source and base values of indices for the different foreign currency elements of cost, (c) derive their proposed weightings for local and foreign currency payment as indicated below, and (d) list the exchange rates used in the currency conversion.