The financial statements of the larson company report net sales of $1,000,000 and accounts receivable of $80,000 and $60,000 at the beginning of the year and end of year, respectively. what is the average collection period for accounts receivable in days?

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

Which is the most compelling reason why mobile advertising is related to big data?

Do you think it ethical and appropriate for marshall to have used himself as a test subject and swallowed a sample of helicobacter pylori? what precautions did he take? would you do it? why or why not?