In a transportation problem, a demand constraint (the amount of product demanded at a given destination) is a less-than-or equal-to constraint (?)

You can invest $100,000 for one year at 5%, annual compounding. What must be the one-year rate but quarterly compounded to achieve the same proceeds?

a) 5% b) above 5% c) below 5%

In the real world, most of the assets available to investors

A) tend to be somewhat positively correlated. B) tend to be somewhat negatively correlated. C) tend to be uncorrelated. D) tend to be either perfectly positively or perfectly negatively correlated.