Calculate the IRR for the following projects. Do not round intermediate calculations. Round PVF values in intermediate calculations to four decimal places. Round the answers to two decimal places.

1. An initial outflow of $15,440 followed by inflows of $4,900, $6,949, and $6,600. %
2. An initial outflow of $46,500 followed by inflows of $16,200, $17,430, and $17,668. %