You bought one of great white shark repellant co.’s 5.6 percent coupon bonds one year ago for $1,051. these bonds make annual payments and mature 10 years from now. suppose you decide to sell your bonds today, when the required return on the bonds is 4.5 percent.
if the inflation rate was 4.2 percent over the past year, what was your total real return on investment?

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?