A previous representative told me that i would receive a 17% discount on my $123.76 service plan . how much is the discount?

Customer: "A previous representative told me that I would receive a 17% discount on my $123.76 service plan. How much is the discount?" Representative: "You will receive a discount of $2.10 $2.63 $18.43 o $21.04 $26.32 o