William Lives in Delaware but Works for a Company That

Multiple Choice

William lives in Delaware but works for a company that has offices in both Maryland and Pennsylvania.William spent four months working in Pennsylvania and 8 months working in Maryland.

A) Only Delaware can impose a state income tax on his income.
B) Only Maryland can impose a state income tax on his income as he worked there the longer time period.
C) Only Pennsylvania and Maryland can impose state income taxes on his income.
D) Delaware, Pennsylvania, and Maryland can impose state income taxes on his income.