Robert and Mary file a joint tax return for 2020 with adjusted gross income of $34,000. Robert and Mary earned income of $20,000 and $14,000, respectively, during 2020. In order for Mary to be gainfully employed, they pay the following child care expenses for their 4-year-old son, John: Union Day Care Center for John $1,700 Wilma (Robert's mother) for babysitting John $1,000 What is the amount of the child and dependent care credit they should report on their tax return for 2020 (assume no tax liability limitation)