please stated the formula that you use and include cash flow diagram

Problem 3 (25) Your construction company wants to buy a John Deere bulldozer for $100,000. You anticipate this purchase to generate $30,000 in revenue annually. Your plan is to use this bulldozer for only 8 years, hoping to sell it for $40,000. On average, it costs $12,000 to maintain the bulldozer annually. What is the Internal Rate of Return