Checkpoint research database to answer the following questions. Cut and paste the relevant Internal Revenue Code and Treasury Regulation section(s) into your solution and explain how the authority answers the tax issue in question. Give the most specific citation applicable [e.g., Sec. 168(a)(1)] that answers the question. NOTE: If the answer can be found in both the code and regulations, you must provide both authorities.

Carol went and lobbied before the federal government concerning proposed changes to the new pension regulations. She incurred $2,300 in expenses. What code section and/or regulation disallows a deduction for these expenses?

Marsha is self-employed and paid $4,000 in self-employment taxes during the year. What code section and/or regulation lets her deduct 50 percent of these taxes as a deduction for adjusted gross income?

Hamid dies in an automobile accident. He is covered by a $500,000 life insurance policy that is payable to his wife, Janet. What code section and/or regulation excludes the $500,000 from Janets gross income?

Roy and Deanna are married and have two children, ages 13 and 19. They are aware that they are eligible for a child tax credit, but do not know if their children qualify them for the credit. What code section and/or regulation defines a child for purposes of the child tax credit?