Internal Rate of Return. Lepton Industries has three potential projects, all with an initial cost of $2,300,000. Given the discount rates and the future cash flows of each project, what are the IRRs of the three projects for Lepton Industries? What is the IRR for Project Q? % (Round to two decimal places.) What is the IRR for Project R? % (Round to two decimal places.) What is the IRR for Project S ? % (Round to two decimal places.)