Required information [The following information applies to the questions displayed below. Park Co. is considering an investment that requires immediate payment of $22,355 and provides expected cash inflows of $6,600 annually for four years. Park Co. requires a 6% return on its investments. 1-a. What is the internal rate of return? (PV of $1, FV of $1, PVA of $1, and FVA of $1) (Use appropriate factor(s) from the tables provided. Round your present value factor to 4 decimals.)