2-43 Filing Requirement.Which of the following taxpayers must file a 2017 Return?

a.Amy, Age 19, and single, has $8,050 of wages, $800 of interest, and $350 of self-employment income.

b.Betty, age 67 and Single, has a taxable pension of $9100 and Social Security benefits of $6,200

c.Chis, age 15 and Single, is a dependent of his parents.Chris has earned income of$1,900 and interest of $400.

d.Dawn, age 15 and Single, is a dependent of her parents.She has earned an income of $400 and interest of $1,600.

e.Doug, age 25 and his wife are separated.He earned %5,000 while attending School during the year.