So that cost the US $270M more in Garands, and saves $75M for more M3 SMG, overall $195M more, given a 50/50 split
And I doubt the more SMGs would be all cheap M3 from GM's Guide Lamp, but spendy Thompsons from Colt, since the M3 didn'y get Standardized until December 1942, when the Carbine was...