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Table 1: Input data [13].

Variable name Value Current net cash flow of the clean property () $300000 Current redevelopment vost () $5000000 Riskless interest rate () 5% Instantaneous return rate of the cash flow () 10% Volatility rate of the cash flow () 20% Instantaneous return rate of the portfolio hedging the cash flow () 15% Volatility rate of the portfolio hedging the cash flow () 20% Instantaneous return rate of the redevelopment cost () 7% Volatility rate of the redevelopment cost () 20% Instantaneous return rate of the portfolio hedging the redevelopment cost () 15% Volatility rate of the portfolio hedging the redevelopment cost () 16% Ratio of the contaminated cash flow to the clean one () 0.4 Ratio of the restored cash flow to the clean one () 1 Ratio of the redeveloped cash flow to the clean one () 2 Ratio of the clean-up cost to the redevelopment cost () 0.3 Ratio of the restoration cost to the redevelopment cost () 0.2 Correlation between the hedging portfolio and underlying cash flow () 1 Correlation between the hedging portfolio and underlying cash flow () 1 Correlation between the cash flow and the redevelopment cost () 0

Note: Parameters, , are predefined in the DSS to simplify inputs. And since they are mainly coefficient parameters, there is no need to change them frequently.