Barbie a hot Halloween costume as Americans plan to spend $4 billion dressing up

People are planning to spend a scary amount of money this Halloween — more than 100 bucks apiece on average, according to a new survey. 

The National Retail Federation anticipates that Americans will drop a record $12.2 billion this year on candy, costumes and decorations, which is up from last year’s record of $10.6 billion. 

NRF’s annual…