A customer wants to buy two pairs of jeans at $30 each. The sales tax is 6%. He has a gift certificate for $50 and a $20 bill in his wallet. Which of the following represents the correct amount of change the customer should receive?

A. One $10 bill, three $1 bills, 2 quarters, and 1 dime
B. Two $5 bills
C. One $5 bill, one $1 bill, 1 quarter, and 1 dime
D. One $5 bill, one $1 bill, and 4 dimes