Each month, Braxton uses an average of 8 ounces of lotion. Calculate Braxton's total monthly savings if he purchases the brand that has the lowest price per ounce versus the highest price per ounce.

Brand A: 24 ounces for $3.30

Brand B: 40 ounces for $4.60

a $0.18
b $0.75
с $1.30
d $1.50