You are currently considering buying an Ecolab corporate bond. The bond has the following characteristics: Par value of bond $ 1,000 Coupon rate 8% Bond was issued five years ago Bond will mature 30 years from original issuance Payments are made semi-annually Callable 10 years after issue Call price $ 1,050 Current market interest rate 6% What is this bond's current price

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?