Desc: Quanto Vale ou É por Quilo?: Directed by Sergio Bianchi. With Ana Carbatti, Cláudia Mello, Herson Capri, Ana Lúcia Torre. Free adaptation of Machado de Assis's short story "Pai Contra Mãe", having some of Nireu Cavalcanti's 18th Century chronicles as inspiration, the film tries to trace a parallel between life in Brazil during the slavery period and life in modern Brazil.