2. Social Return on Investment (SROI) is one tool for measuring the social impact generated by an organisation or project. It does so by benchmarking social outputs, such as meals provided or vaccines delivered, and assigning them financial values ($). a. Identify which approach is most likely to use SRI as part of their portfolio construction considerations. (min. 200 words) 2. Social Return on Investment (SROI) is one tool for measuring the social impact generated by an organisation or project. It does so by benchmarking social outputs, such as meals provided or vaccines delivered, and assigning them financial values ($). a. Identify which approach is most likely to use SRI as part of their portfolio construction considerations. (min. 200 words)