dennis and lyne, who filed jointed tax return, qualify for the earned income credit in 2019. they have three children, age 10, 11, and 19 all are full time students. their combined earning income and adjusted gross income for 2019 are $22,500

a. what is their 2019 earned income credit?

b.calculate the amount of Dennis and Lyne's 2019 earned income credit assuming her earned income for 2019 is $35,000