12. Erma has her eye on two sweaters at her favorite clothing store, but she has been waiting
for the store to offer a sale. This week, the store advertises that all clothing purchases,
including sweaters, come with an incentive: 25% off a second item of equal or lesser value.
One sweater is $50 and the other is $44. If Erma purchases the sweaters during the sale,
what will she spend?
a. $79
b. $81
c. $83
d. $85