Review your own recent purchases and observe newspaper ads or store signs that feature price changes. In the following table, list five examples of products or services for which you have noticed price
changes. Identify the product or service; show whether the price change was an increase or decrease;
and identify the reason for the price change.
Product or Service
Price Increase or Decrease? Reason for Price Change

The treasurer for pittsburgh iron works wishes to use financial futures to hedge her interest rate exposure. she will sell five treasury futures contracts at $139,000 per contract. it is july and the contracts must be closed out in december of this year. long-term interest rates are currently 7.30 percent. if they increase to 9.50 percent, assume the value of the contracts will go down by 20 percent. also if interest rates do increase by 2.2 percent, assume the firm will have additional interest expense on its business loans and other commitments of $149,000. this expense, of course, will be separate from the futures contracts. a. what will be the profit or loss on the futures contract if interest rates increase to 9.50 percent by december when the contract is closed out

When it is 4: 00 a. m. in halifax, it is 1: 00 p. m. in karachi, and when it is 9: 00 a. m. in karachi, it is 5: 00 a. m. in warsaw. mary left halifax to fly to karachi, but she accidentally left her watch on warsaw time. according to mary’s watch, she left halifax at 9: 40 p. m. on monday. the local time when she arrived at karachi was 3: 00 p. m. tuesday. how long was mary’s flight? a. 9 hours, 20 minutes b. 13 hours, 20 minutes c. 14 hours, 20 minutes d. 17 hours, 20 minutes

Which of the following is not one of the four principles of bottleneck management? a. increasing capacity at non-bottleneck stations is a mirageb. lost time at the bottleneck is lost system capacity. c. release work orders to the system at the bottleneck's capacity pace. d. increased bottleneck capacity is increased system capacity. e. bottlenecks should be moved to the end of the system process.