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1. A gas heating system cost $10,000 and has an annual operating cost of $2,000 and a lifespan of 15 years. A solar heating system costs $30,000, has no annual operating cost and a lifespan of 50 years. Please calculate the equivalent annual cost (EAC) of each system using a cost of capital of 12%. Assume that the gas system can be replaced in the future at the same cost and that operating costs are constant. (2 pts) Gas PV Gas EAC Solar PV Solar EAC 2. Please calculate the EAC at a 10% discount rate for a vehicle that has an initial cost of $25,000, annual operating costs of $3,000, a lifespan of 20 years, and a resale value at the end of the project of $2,500 PV EAC 3.What impact should historically low interest rates have on sustainable energy projects like wind and solar that have high initial costs and low operating costs