I need with formula

6. Evaluate the following investment project according to the Discounted Payback, Internal Rate of Return and Profitability Index Criteria and propose its acceptance or rejection. WACC = 18 %. In the IRR method, try 32% first. Year Cash Outflows 0 200,000 250,000 1 Year Cash Inflows 0 2 3 4 300,000 300,000 400,000 400,000 50,000 5 Scrap Value