sentence1: Esther F. Lardent, director of the Pro Bono Institute at Georgetown University Law Center, said the good economic times of the late '90s saw lawyers at large firms suddenly responsible for as many as 2,300 billable hours per year, compared with the less time- consuming and more typical 1,700 hours.
sentence2: It can be deduced that better economy will definitely correspond with a substantial increase in billable hours per year. 