The US Postal rates for a first class letter are $0.46 for up to and including 1 ounce $0.66 for 1 to 2 including 2 ounces $0.

The US Postal rates for a first class letter are

           $0.46 for up to and including 1 ounce

           $0.66 for 1 to 2 including 2 ounces

           $0.86 for 2 to 3 including 3 ounces

           $1.06 for 3 to 3.5 including 3.5 ounces

What is the cost for a letter weighing 3 ounces?