ProjectX costs, Year 1 through Year 4: $10,000; $10,000;$5,000;$1,000 ProjectX revenue, Year 1 through Year 4: $0; $5,000;$10,000;$21,000 Calculate ROI for ProjectX, using the following discount factor. Discount factor, Year 1 through Year 4: 0.93; 0.87; 0.82; 0.76 Fill in the following blanks - just type the numbers without labels, dollar signs, commas, etc. Discounted Costs Discounted Benefits Year 19300 O Year 28700 [Blank #1] Year 3 [Blank #2] 8200 Year 4[Blank #3] 15960