I need help answering all of these questions.

Chastain Corporation is trying to determine the effect of its inventory turnover ratio and days sales outstanding (DSO) on its cash conversion cycle. Chastain's 2016 sales (all on credit) were $214000; its cost of goods sold is 80% of sales; and it earned a net profit of 3%, or $6420. It turned over its inventory 6 times during the year, and its DSO was 31 days. The firm had fixed assets totaling $31000. Chastain's payables deferral period is 35 days. Assume 365 days in year for your calculations. The data has been collected in the Microsoft Excel Online file below. Open the spreadsheet and perform the required analysis to answer the questions below. Open spreadsheet a. Calculate Chastain's cash conversion cycle. Round your answer to two decimal places. Do not round intermediate calculations. days b. Assuming Chastain holds negligible amounts of cash and marketable securities, calculate its total assets turnover and ROA. Round your answers to two decimal places. Do not round intermediate calculations. Total assets turnover ROA % c. Suppose Chastain's managers believe that the inventory turnover can be raised to 8.1 times. What would Chastain's cash conversion cycle, total assets turnover, and ROA have been if the inventory turnover had been 8.1 for 2016 ? Round your answers to two decimal places. Do not round intermediate calculations. Cash conversion cycle days Total assets turnover ROA %