please answer #6-10

6. The CP21A is an example of a represents a type of audit. audit. The blank 7. IRC & provides that an abandoned spouse can claim the "head of household" filing status even though the abandoned spouse is still married. The blank represents an Internal Revenue Code section. 8. The Test requires a qualifying child to be under the age of 19 if the child is not a full time student. The blank represents one of the tests for a qualifying child. 9. The strategy is the one strategy that will be disallowed by the IRS under most circumstances. The blanks represent a common type of tax strategy. 10. An transaction means that the two taxpayers to a transaction are independent of each other and are not related parties. The blank represents a type of transaction that is legitimate