need help solving these questions please

John works as an associate in one of Target's warehouses, one of his job assignments is to count one specific SKU (item D098210) at the end of every Friday night to keep track of the inventory level. It normally takes him 43 minutes. John is paid at hourly rate of $24 per hour. If assuming there are 45 weeks every year, what is the total counting cost incurred for this particular SKU per year? Round your answer to the nearest integer Consider a warehouse with 5 SKU's. The unit selling prices for these 5 items are $10, 55, 5120, $500, and $ 24 respectively. The annual sales volume for these 5 items are 12,000 units, 1,000 units, 2,000 units, 20 units, and 300 units. According to our discussion on inventory profiling, what percentage of the annual sales is the result from the top 20% of the SKU's? Ignore the percentage sign and round your answer to the nearest integer. For example, if your answer is 34.56%, input 35; if your answer is 12.23%, input 12 According to the information in the last question, how many items should be classified as class Citem? Round your answer to the nearest integer