I need help solving this problem

The following table contains figures on the monthly volume and unit costs for a random sample of 16 items from a list of 2,000 inventory items at a health care facility: Click here for the Excel Data File a. Develop an A.B.C classification for these items. c. Determine the percentage of items in each category and the annuol dollar value for each category for part b. (Enter your answers as percentages rounded to two decimal places.) c. Determine the percentage of items in each category and the annual dollar value for each category for part b. (Enter your answers as percentages rounded to two decimal places.)