Peter operates a lunch truck five days a week and uses crushed ice to keep his drinks cold. The following information indicates his use by the bag for each of these days.

Monday 12 Bags
Tuesday 16 Bags
Wednesday 17 Bags
Thursday 14 Bags
Friday 21 Bags


If the depot where Peter buys his bags of ice charges him $1.50 per bag, find the average cost for ice per day.

A. $24
B. $80
C. $45
D. $120