Sarah bakes batches of cookies. For each batch, she uses cups of sugar at 5 cents per cup and scoops of chocolate chips at 9 cents per scoop. The total cost of the sugar and chocolate chips for all batches is $3.23. Assume that , , and are all positive integers with . What is the cost of the chocolate chips Sarah uses to make the cookies?
1.35
1.44
1.53
1.62
1.71