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1. Consider the cash flows (in constant 2020 prices) of a public infrastructure project: Year Million 2020 -12 2021 -2. 2022 3 2023 3 2024 3 2025 3 2026 4 Calculate the NPV of this project using a social discount rate of 4% and 1.5%. The NPV (using 4%) is negative. Is this project making a loss or having a negative rate of return? Explain your answer. Why do we know based on the two calculations that the internal rate of return of this project 1.5%