Diamond Line is a distributor of everything a florist needs to create a beautiful arrangement except the flowers. It sells to 10,000 flower and gift shops and 3,000 supermarkets nationwide. Each florist is called on four times a month, and each supermarket is called on twice a month. A sales call to a florist takes one hour, and a sales call to a supermarket takes two hours of selling time. An average salesperson spends 1,000 hours per year making sales calls. Calculate the number of salespeople Diamond Line needs to cover its account base for a year.

Risk is the risk of a decline in a bond's value due to an increase in interest rates. this risk is higher on bonds that have long maturities than on bonds that will mature in the near future. risk is the risk that a decline in interest rates will lead to a decline in income from a bond portfolio. this risk is obviously high on callable bonds. it is also high on short-term bonds because the shorter the bond's maturity, the fewer the years before the relatively high old-coupon bonds will be replaced with new low-coupon issues. which type of risk is more relevant to an investor depends on the investor's , which is the period of time an investor plans to hold a particular investment. longer maturity bonds have high risk but low risk, while higher coupon bonds have a higher level of risk and a lower level of risk. to account for the effects related to both a bond's maturity and coupon, many analysts focus on a measure called , which is the weighted average of the time it takes to receive each of the bond's cash flows. conceptual question: which of the following bonds would have the largest duration? a)10year-zero coupon bonds b)10year-7% annual coupon bonds c)10year-3% annual coupon bonds d)5year-3% annual coupon bonds e)3year-7% annual coupon bonds