Mary filed her tax return and paid her $3.000 tax liability two months late. What is the total amount of the late filing and late payment penalties that will be assessed against Mary? $300 O $600 $0 $750 Carolyn has worked for a local manufacturing company and usually ears a salary of $40,000. She was unemployed for most of 2020. She earned only $15,000 in 2020. She was unable to qualify for any unemployment benefits. She spent $4,000 for child-care costs while she was employed in 2020. How much may she claim as a credit for child and dependent care? $1,530 O $1,050 $1,800 $810