Please help solve, show your work. (these are from the same question).

Oakwood Hospital is considering using ABC analysis to classify laboratory SKUs into three categories: those that will be delivered daily from their supplier (Class A items), those that will be controlled using a continuous review system (B items), and those that will be held in a two bin system (C items). The following table shows the annual dollar usage for a sample of eight SKUs. Fill in the blanks for annual dollar usage below. (Enter your responses rounded to the nearest whole number.) Demand SKU Unit Value (units) Annual Dollar Usage 1 $4.20 900 $ 3,780 2 $0.45 100 $ 45 3 $1.10 30,000 $ 33,000 4 $0.02 120,000 2,400 5 $0.90 300 $270 6 $1.40 150 $ 210 7 $0.25 65,000 $ 16,250 8 $0.03 1,100 $ 33 Rank the SKUs in descending order on the basis of their annual dollar usage and fill in the table with the ranked SKU's percentage of dollar usage. (Enter your responses rounded to two decimal places.) Rank SKU Code Percent of Dollar Usage 1 3 % 2 7 1% 3 1 % 4 % 5 5 01 % 6 6 % 7 2 % 8 8 % Based on the percentages of dollar usage, the class of SKU code 3 is Based on the percentages of dollar usage, the class of SKU code 2 is Based on the percentages of dollar usage, the class of SKU code 8 is