A cash flow sequence has a receipt of $8,000 today, followed by a disbursement of $6,000 at the end of this year and again next year, and then a receipt of $3, 828 three years from now. The MARR is 5%. What is the precise ERR for this set of cash flows? What is the approximate ERR for this set of cash flows? Would a project with these cash flows be a good investment