Halloween is big business. The National Retail Federation says spending on Halloween is expected to exceed $8.4 billion this year.

Its survey found more than 171 million Americans plan to celebrate Halloween, spending an average of $82.93, up from last year’s $74.34.

Of the total, $3.1 billion will be spent on costumes, $2.5 billion on candy, $2.4 billion on decorations, and $390 million on greeting cards.