pleas answer this

12 Listen A ground water heating system can be purchased and installed for $1 Million and is believed to be operational for 30 years with no salvage value. It will cost $10,000 per 15 year to maintain but it will save $100,000 in the first year based upon heating costs for that year. The company's cost of capital (MARR) is 10%. a) What is the annual equivalent worth of this system if the 100,000 savings continues for the 30 years. b) What is the annual equivalent worth of this system if the 100,000 savings increases by 3% per year for the 30 years. Format B IU