Charles Henri is considering investing $36,000 in a project that is expected to provide him with cash inflows of $12,000 in each of the first two years and $18,000 for the following year. At a discount rate of zero percent this investment has a net present value of ____, but at the relevant discount rate of 17 percent the project's net present value is ____.

a.) $0; -$5,739

b.) $0; -$3,406

c.) $6,000; -$5,739

d.) $6,000; -$3,406

e.) $6,000; $1,897