Which of the following is correct regarding tax attributes?

A) generally, the amount of cancelled debt must be used to reduce tax attributes in a particular order

B) the debtor may choose to use all or part of the amount of cancelled debt to reduce the basis of depreciable property before reducing other tax attributes

C) except for credit carryovers, reduce the tax attributes $1 for each dollar of cancelled debt that is excluded from income

D) both statements 1 and 2 are true as they relate to tax attributes