Ralph and Tina (husband and wife) transferred taxable bonds worth $30,000 to Pam, their 12-year-old daughter. Pam received $3,500 of interest on the bonds in the current year. Ralph and Tina have a combined taxable income of $83,000. 
a. Compute Ralph and Tina’s gross tax. Assume they do not include Pam’s income on their return.
b. Can Ralph and Tina claim a child credit for Pam?
c. Compute Pam’s taxable income and gross tax.
d. What would be Pam’s tax if she were age 25?