is it 100,000? help asap!

Assume that an investment of $350,000 will produce a future cash flow of $450,000. The discount factor for this cash flow is 0.80. What is the Net Present Value (NPV)? Should this investment be accepted? $100,000; yes, it should be accepted $(10,000); no, it should not be accepted $10,000; no, it should not be accepted $10,000; yes, it should be accepted