Answer:
364 customers a week
Explanation:
1.mummy
2.witch
3.pumpkin
4.black cat
5.orange
6.treats
7.scream
8.cooter
9.ghost
10.graveyard
11.boo
12.candy
13.werewolf
14.full moon
15.vampire
16.skeleton
17 black bat
18.scarecrow
19.haunted house
20.jacko-latern