**Source: GMAT Prep**

Connie paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less tax on her purchase. What was the total amount that Connie paid for her purchase including sales tax?

A. $368

B. $380

C. $400

D. $420

E. $432

The OA is E