The range of bids that came in to build the ships was between $8.5 million and $13 million, with a certain amount of uncertainty, because the shipyards were to be built during the shipbuilding program.
La gamme d'offres proposées pour construire les bateaux se situait entre 8,5 millions de dollars et 13 millions de dollars, avec un certain degré d'incertitude car les chantiers devaient être construits pendant le programme de construction navale.