1c. Determine the amount of the standard deduction for each of the following taxpayers for the year 2019. a. Christina, who is single. b. Adrian and Carol, who are filing a joint return. Their son is blind. c. Peter and Elizabeth, who are married and file separate tax returns. Elizabeth will itemize her deductions. d. Karen, who earned $1,100 working a part time job. She can be claimed as a dependent by her parents. e. Rodolpho, who is over 65 and single. f. Bernard, who is a nonresident alien, with US income. g. Manuel, who is 70, and Esther, who is 63 and blind, will file a joint return. h. Herman, who is 75 and a qualifying widower with a dependent child.