An improvement can be hefty.Logical formLearned from4 sentences. A sell-off can be hefty.Logical formLearned from4 sentences. (Access fees) can be hefty.Logical formLearned from4 sentences. An industrial district can be hefty.Logical formLearned from4 sentences. An overhead can be hefty.Logical formLearned from4 sentences. A cover can be hefty.Logical formLearned from4 sentences. (Research grants) can be hefty.Logical formLearned from4 sentences. A backing can be hefty.Logical formLearned from4 sentences. A requirement can be hefty.Logical formLearned from4 sentences. Obstacles can be hefty.Logical formLearned from4 sentences. A taxation can be hefty.Logical formLearned from4 sentences. A lift can be hefty.Logical formLearned from4 sentences. (Tuition increases) can be hefty.Logical formLearned from4 sentences. An (insurance claim) can be hefty.Logical formLearned from4 sentences. (Income taxes) can be hefty.Logical formLearned from4 sentences.