 Returning to the club to announce her resignation, Mamie finds out that Harry has been fired for encounters with the military police.Bertha, fearing the loss of the club's biggest attraction, promises to let Mamie jump to a 50% commission at the now booming club, as well as a respectable mailing address to deceive Jim when writing him at his overseas postings.By the time of the 1942 Battle of Midway, Mamie is earning $4,000 ($ today) monthly on her property rentals, and Bertha has boosted her to a 70% commission.