Bob is 46 and made $45,000 in wages in 2017. he divorced in 2014 and has not remarried. he pays all the cost of keeping up his home. bob's daughter, joan, lived with him all year. joan is 27, single, and had no income in 2017. she is not disabled. joan's baby, sara, was born in november 2015. sara lived in bob's home since birth. bob provides more than half of the support for both joan and sara. bob, joan, and sara are all u. s. citizens with valid social security numbers. 5. who can bob claim as a qualifying child(ren) for the earned income credit? a. bob has no qualifying children. b. bob can claim joan, but not sara. c. bob can claim sara, but not joan. d. bob can claim both joan and sara.