AMC 8 1990 Problem 13

One proposal for new postage rates for a letter was $30$ cents for the first ounce and $22$ cents for each additional ounce (or fraction of an ounce). The postage for a letter weighing $4.5$ ounces was $\text{(A)}\ \text{96 cents} \text{(B)}\ \text{1.07 dollars} \text{(C)}\ \text{1.18 dollars} \text{(D)}\ \text{1.20 dollars} \text{(E)}\ \text{1.40 dollars}$