A proposed nuclear power plant will cost $$2\mathrm{.}0$ billion to build and then will

produce cash flows of $$280$ million a year for $15$ years. After that period $($in

year $15),$ it must be decommissioned at a cost of $$880$ 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.

a$.$ What is the NPV of the project if the discount rate is $5\%?$

Net present value

billion

b$.$ What is the NPV of the project if the discount rate is $18\%?$

Net present value

billion