Suppose that Sam’s Cat Hotel in Problem 10 uses a P system instead of a Q system. The average daily demand is d = 90/6 = 15 bags. and the standard deviation of daily demand is σd = σweek / √6 = (15 / √6) = 6.124 bags.

a. What P (in working days) and T should be used to approximate the cost trade-offs of the EOQ?

b. How much more safety stock is needed than with a Q system?

c. It is time for the periodic review. How much kitty litter should be ordered?

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.