(1) Deductions which are not allowable under these rules include:
(a) payroll deductions for the convenience of the parent, such as credit union payments and savings;
(b) imputed employment-related expenses, such as imputed child care;
(c) expenses incurred for the support of a spouse capable of self-support;
(d) payments for satisfaction of judgments against a parent related to the purchase of property for the parent's personal use;
(e) bankruptcy payments except to the extent that they represent debts for expenses which would otherwise be deductible; or
(f) a stepchild and associated costs.