Ben, a wealthy producer, and Brian, an unemployed actor, enter into a written agreement that provides for Brian to receive only $100,000 payment and no other support or distribution of property acquired during the marriage. Is this a valid contract? If Ben and Brian live in California, a community property state, and Ben ears $50,000 income and investments during the couple's marriage, while Brian earns no income as a stay-at-home husband, will Brian be limited to the $100,000 provided for in the agreement