________ is/are located at the top of each page in the dictionary and tell you the first and last word on the page

Degan routinely drove the 400-mile round trip to his favorite grocery store to stock up on bread, which cost $1.50 per loaf

Running out would be disastrous — an unplanned trip to this store would mean a custom order that would run $7.75 per loaf. Overstocking wasn't a big issue, he could sell it to his teaching partner for $0.10 per loaf. With a demand that is normally distributed with a mean of 125 and standard deviation of 15, what is Degan's optimal purchase quantity on his next trip to the store? A) 139 B) 173 C) 115 D) 128

What is the present value of an annual payment of $1,500 discounted back 15 years at an annual rate of return of 3%?

A) $10,663.87 B) $12,334.56 C) $13,449.87 D) $17,906.90