Which of the following statements is most correct?

a. an increase in a firm's debt ratio, with no changes in its sales and operating costs, could be expected to lower its profit margin on sales.

b. an increase in the dso, other things held constant, would generally lead to an increase in the total asset turnover ratio.

c. an increase in the dso, other things held constant, would generally lead to an increase in the roe.

d. in a competitive economy, where all firms earn similar returns on equity, one would expect to find lower profit margins for airlines, which require a lot of fixed assets relative to sales, than for fresh fish markets.

e. it is more important to adjust the debt/assets ratio than the inventory turnover ratio to account for seasonal fluctuations.

Large public water and sewer companies often become monopolies because they benefit from although the company faces high start-up costs, the firm experiences average production costs as it expands and adds more customers. smaller competitors would experience average costs and would be less

An attorney came to work on a saturday. when he signed in, he was advised by the morning security guard employed by the building management that he must be out of the building by 5 p.m., when it closes. however, he stayed past 5 p.m. to complete a brief that had to be filed on monday morning. at 5: 15 p.m., the afternoon security guard set the locks on all the doors of the building and left. because she was in a hurry, she did not check the sign-in sheet to make sure that everyone had signed out, contrary to mandatory procedures. when the attorney tried to exit 15 minutes later, he discovered that the doors were all locked and could not be opened from the inside. he used his cell phone to call for , and a supervisor from the building arrived and let him out shortly thereafter. if the attorney sues the building management for false imprisonment, is he likely to win?

Will mark you the which of the following groups has caused ongoing conflicts in afghanistan? a. the sinhalese majority b. natalitesc. kashmir sikhsd. the taliban