1. suppose we observe that as the price of lettuce increases from $1 to $2 per head, consumers buy only no
the number of heads of lettuce. this situation is best described as
a) an increase in demand.
b) a decrease in demand.
c) a decrease in the quantity demanded.
d) an increase in supply.
e) an increase in the quantity supplied.

Leon and sara are arguing over when the best time is to degrease soup. leon says that it's easiest to degrease soup when it's boiling. sara says it's easiest to degrease soup when it's cold. who is correct? a. neither leon nor sara is correct. b. leon is correct. c. both leon and sara are correct. d. sara is correct. student b   incorrect which following answer correct?

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?

Which of the following is usually not one of the top considerations in choosing a country for a facility location? a. availability of labor and labor productivityb. attitude of governmental unitsc. location of marketsd. zoning regulationse. exchange rates