Xander is a registered member of a federally recognized American Indian tribe and lives on the tribe's reservation. This year, he earned $23,314 in wage income from work done on reservation land. He also earned $13,200 from work done off of reservation land in the state of Arizona. How much of Xander's income is taxable by Arizona?

1-$0

2- $13,200

3- $23,314

4-$36,514