You have decided to join a certain Massachusetts-based burger business empire as a franchisee. You pay in 100,000 on Jan 1, 2021. On May 1, 2021 and August 1, 2021, you receive a payments of 10,000 from your new business. You decide to increase your investment by paying in an additional 50,000 on Nov 1, 2021. On Jan 1, 2022, your accountant Mark informs you that your franchise is now worth a total of 200,000. What is the (simple interest approximation to) the dollar weighted rate of return for this investment over the one-year period?

That's all the information