Ralph’s current annual income is $32,000.  Using the graph shown below, Ralph has calculated that he will have to pay a total of $9,280 in federal taxes this year.  Which of the following statements is true? a. Ralph’s calculation is too high, he has only calculated state taxes. b. Ralph’s calculation is too high, his calculation includes state taxes. c. Ralph’s calculation is correct, he will have to pay $9,280 in federal taxes this year. d. Ralph’s calculation is too low, he did not include medical care in his calculation.       Please select the best answer from the choices provided A B C D