Jake entered the military in his home state of Illinois on November 14, 2018 and was sent to Marine Corps Recruiting Center San Diego on January 7, 2019 where he has spent all of his time learning the skills needed to perform his job as a Marine before being shipped out to Japan on permanent change of station orders. Jakes income is solely derived from his military service. Jake intends to return to Illinois when his service is complete. What will Jake enter on Schedule CA (540NR), line 2a for domicile?

a. It is not necessary for Jake to file a California tax return based on the information

b.Illinois

c.California

d.Foreign Country