Enter the number of dependents + 1 (the relocated employee) in the Family Size field in the Options panel.
Family size impacts these cost categories:
•Income Taxes (deductions and credits)
•Housing Costs (utilities, insurance, etc.)
•Consumables (groceries, clothing, etc.)
•Health Services (out of pocket health care including co-pays)
Please note: To return to the default value for a particular field, click the 
button in the modified field. To return to the default values for all fields, click the 
button at the top of the Options panel.
See Two City Comparison - Background for more information.