Types of unethical/ unprofessional business practice​

If we know that a firm has a net profit margin of 4.6 %, total asset turnover of 0.62, and a financial leverage multiplier of 1.54, what is its roe? what is the advantage to using the dupont system to calculate roe over the direct calculation of earnings available for common stockholders divided by common stock equity?

Which type of market are you in if your company, along with three other companies, controls 95 percent of the total music industry?

At the end of the current year, accounts receivable has a balance of $550,000; allowance for doubtful accounts has a credit balance of $5,500; and sales for the year total $2,500,000. an analysis of receivables estimates uncollectible receivables as $25,000. determine the net realizable value of accounts receivable after adjustment. (hint: determine the amount of the adjusting entry for bad debt expense and the adjusted balance of allowance of doubtful accounts.)