A stock's returns have the following distribution: Demand for the Company's Products Probability of This Demand Occurring Rate of Return If This Demand Occurs Weak 0.2 (32%) Below average 0.1 (9) Average 0.3 11 Above average 0.2 26 Strong 0.2 72 1.0 Calculate the stock's expected return. Round your answer to two decimal places. % Calculate the stock's standard deviation. Do not round intermediate calculations. Round your answer to two decimal places. % Calculate the stock's coefficient of variation. Round your answer to two decimal places.

Jiffy printing shops does a lot of printing job for college students. the shop use an average of 25 cases of copy paper each day during the 312 days last year. the shop opens 6 days a week for 52 weeks each year and closes on sundays. each case of paper costs $35. it conducts a count of its paper inventory at the end of every quarter of the year. the table below shows the inventory counting records for last year. inventory end of quarter 1 700 cases end of quarter 2 1,050 cases end of quarter 3 920 cases end of quarter 4 800 cases 1. what's jiffy's cost of goods sold last year? 2. what's jiffy's average aggregate inventory value? 3. what's jiffy's inventory turnover last year? 4. what is the printing shop's weeks of supply last year?