Please help me solve! These are the answers I got but I want to make sure before I submit!

Cost Reduction Proposal: IRR, NPV, and Payback Period liters will soon be imposed for the discharge of this waste. This has prompted management to evaluate the desirability of treating its own liquid waste. range. and a salvage value of $100,000. (a) Determine the project's net present value at a discount rate of 14 percent. (Round to the nearest whole number.) ! (b) Determine the project's approximate internal rate of return. Round answer to the nearest percentage (ex: 15\%) % (c) Determine the project's payback period. (Round answer to two decimal places.) years