Hello experts! I am looking for help with these finance questions I keep getting them wrong and I am not sure why! please help! thank you!

Problem 16-1 Cash Management Williams & Sons last year reported sales of $5 million and an inventory turnover ratio of 2.4. The company is now adopting a new inventory system. If the new system is able to reduce the firm's inventory level and increase the firm's inventory turnover ratio to 5.4 while maintaining the same level of sales, how much cash will be freed up? Round your answer to the nearest dollar. $Problem 16-3 Cost of Trade Credit What is the nominal and effective cost of trade credit under the credit terms of 4/15, net 30? Assume 365 days in a year for your calculations. Round your answers to two decimal places. Do not round intermediate calculations. Nominal cost of trade credit \"la Effective cost of trade credit \"In Problem 16-6 Receivables Investment Snider Industries sells on terms of 3/10, net 25. Total sales for the year are $1,081,000. Thirty percent of the customers pay on the 10th day and take discounts; the other 70% pay, on average, 24 days after their purchases. Assume 365 days in year for your calculations. a. What is the days sales outstanding? Round your answer to one decimal place. days b. What is the average amount of receivables? Round your answer to the nearest dollar. $ c. What would happen to average receivables if Snider toughened up on its collection policy with the result that all nondiscount customers paid on the 25th day? Round your answer to the nearest dollar. $