Acooling tower a. is controlled by a thermostat. b. cools water as it flows through pipes. c. cools water through insulation. d. causes thermal pollution.

Jamie is saving for a trip to europe. she has an existing savings account that earns 3 percent annual interest and has a current balance of $4,200. jamie doesn’t want to use her current savings for vacation, so she decides to borrow the $1,600 she needs for travel expenses. she will repay the loan in exactly one year. the annual interest rate is 6 percent. a. if jamie were to withdraw the $1,600 from her savings account to finance the trip, how much interest would she forgo? .b. if jamie borrows the $1,600 how much will she pay in interest? c. how much does the trip cost her if she borrows rather than dip into her savings?

Consider the following two projects. both have costs of $5,000 in year 1. project 1 provides benefits of $2,000 in each of the first four years only. the second provides benefits of $2,000 for each of years 6 to 10 only. compute the net benefits using a discount rate of 6 percent. repeat using a discount rate of 12 percent. what can you conclude from this exercise?

Which of the following is a competitive benefit experienced by the first mover firm in an industry? a. the first mover will be able to achieve a less steep learning curve. b. the first mover will be able to reduce the switching costs. c. the first mover will not have to patent its products or technology. d. the first mover will be able to reduce costs through economies of scale.