please help me

Including the cost to allow the option to expand the capacity of a new soccer stadium ito be built on the shores of the Hudson River within your project analysis will tend to:

a) increase the cash flows of a project but decrease the project's net present value.

b) increase the net present value of a project

c) decrease the net present value of a project.

d) have no effect on either a project's cash flows or its net present value.