The Graph Shown Gives the First-Class Postage Rates in the Year

Multiple Choice

The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents)

A) The postage cost for mailing a 2-ounce letter is 55 cents .
B) The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces.
C) The postage cost for mailing a 1-ounce letter is 33 cents.
D) The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents .
E) The postage cost for mailing a 4-ounce letter is $1.00.