A proposed nuclear power plant will cost $3.1 billion to build and then will produce cash flows of $390 million a year for 15 years. After that period (in year 15), it must be decommissioned at a cost of $990 million.

Note: Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers in billions rounded to 3 decimal places.

What is the NPV of the project if the discount rate is 5%?