Leonardo makes the following purchases at the store:

1 backpack for $16.89

5 spiral notebooks for $1.19 each

1 pack of mechanical pencils for $3.68

2 packs of lead refills for $1.88 each

Leonardo has 2 coupons, each for 45 cents off on the purchase of a pack of lead refills. The coupons are applied after tax and the sales tax is 5% of the purchase. If Leonardo paid $30.89 , then he _____ for his purchase.

a.

did not pay enough

b.

paid the correct amount

c.

paid $0.04 too much

d.

paid $0.57 too much