Several years back, economists developed methods for appraising investment projects fi-. nanced from public budgets, one of which is the use of âsocial cost-benefit analysisâ: a. test that weighs the costs and benefits of a public project in terms of its contribution to. national (social) welfare.
Pella Windows has shown its customer service address detail for its customers that are shown below. Address detail : Pella Corporation - Customer Service Department, 102 Main Street, Pella, Iowa 50219, United States. customer service number : +1-877-473-5527, +1-866-809-9460.
So in order to have a quick Lennox contact customer support, you just need to punch these numbers, 800-953-6669 on your One Touch 990S (Alcatel one touch 990S) phone. So it means you should not be facing any problem in speaking to Lennox's customer service representatives.