Thom keeps track of inventory for a snack bar and both Snickers and Kit Kat bars were on sale for $0.75 last week. Over the last week he found that the inventory of Snickers dropped from 156 to 24 and the inventory of Kit Kats dropped from 204 to 96. How many Snickers were sold last week?
A 81
B 99
C 108
D 132