2 ounces $1.21 Incrementing 21 cents each additional ounce 3 ounces $1.42 (3oz? Fold it & go in a business envelope for 91 cents) 4 ounces $1.63 5 ounces $1.84 6 ounces $2.05 7 ounces $ 2.26 8 ounces $2.47 9 ounces $2.68