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.
Phone Contact Numbers. The company offer several different phone numbers for ComEd customer service. Some phones numbers are to be used by business customers and others for customers with special needs. Customer Service (residential): 1-800-EDISON (1-800-334-7661) Customer Service (business): 1-877-4ComEd-1 (1-877-426-6331)