Maxwell purchased $30,000 worth of 52-week T-Bills for $29,650. What will be the rate of return on his investment? (Round you two decimal places.)

Answer the following questions using the banker’s algorithm: a. illustrate that the system is in a safe state by demonstrating an order in which the processes may complete. b. if a request from process p1 arrives for (1, 1, 0, 0), can the request be granted immediately? c. if a request from process p

1. how much money did selfridge spend on advertising before the store’s opening? 2. explain what shopping was like in london during the early 1900s. how does this differ from the modern shopping experience? 3. what was the role of a floorwalker in 1900s london? 4. what inspired selfridge to ensure that customers in his store could browse at their leisure? do you need the links to the video?

Dan mcclure is trying to decide on how many copies of a book to purchase at the start of the upcoming selling season for his bookstore. the book retails at $28.00. the publisher sells the book to dan for $20.00. dan will dispose of all the unsold copies of the book at 75 percent off the retail price, at the end of the season. dan estimates that demand for this book during the season is normal with a mean of 100 and a standard deviation of 42. a. how many books should dan order to maximize his expected profit? b. given the order quantity in part a, what is dan's expected profit? c. the publisher's variable cost per book is $7.50. given the order quantity in part a, what is the publisher's expected profit?