The upfront cost for a new machine is $50,000. You project the new machine will generate net revenue benefits equivalent to $20,000 at end of Year 1,$30,000 at end of Year 2, and $40,000 at end of Year 3. You can borrow money at an interest rate of 11% so use 11% as your discount rate or interest rate. You need the net present value today of this three-year revenue stream to exceed $50,000 for the project to be viable. The net present value of this revenue stream is (rounded to nearest thousand \$'s). $93,000 $72,000 $81,000 $64,000