Kendra is serving two tables at the diner where she works. At the first table, the bill was $37.40, and she received 15% of the bill amount as a tip. At the second table, the bill was $34.50, and the tip was 18% of the bill amount. At which table did Kendra receive the bigger tip, and how much more did she get?

Afirst table; $1.56

Bfirst table; $2.90

Csecond table; $0.60

Dsecond table; $6.21