Sara has a gift card for Six Town's Bakery and bought the following items.

6 muffins for $0.45 each
2 boxes of cookies for $2.70 each
1 coffee cake for $3.72
Sara estimates she has $8.00 left on her gift card. What assumption did Sara use to make her estimate?
A.

The gift card started with $7.00.
B.

The gift card started with $12.00.
C.

The gift card started with $15.00.
D.

The gift card started with $20.00.

The correct assumption that Sara used to make her estimate is D. The gift card started with $20.00.