Did I do this problem correctly?

3. The finished goods inventory of a small manufacturing company is shown below (available in data file for Module 9). Perform an ABC analysis on the data (Assign A items to a maximum of 70% of the cumulative value and B items to a maximum of the next 20% of the cumulative value (a total of 90% ).) a) How many items are assigned as " A " items? b) How many items are assigned as " B " items? c) How many items are assigned as " C " items? d) What assignment was made to the following items: 2456? 1204? 1448? 9034