Your buddy in mechanical engineering has invented a money machine. the main drawback of the machine is that it is slow. it takes one year to manufacture $ 700. however, once built, the machine will last forever and will require no maintenance. the machine can be built immediately, but it will cost $ 12 comma 100 to build. your buddy wants to know if he should invest the money to construct it. if the interest rate is 5.5 % per year, what should your buddy do? what is your advice if the machine takes one year to build?

Recently, verizon wireless ran a pricing trial in order to estimate the elasticity of demand for its services. the manager selected three states that were representative of its entire service area and increased prices by 5 percent to customers in those areas. one week later, the number of customers enrolled in verizon's cellular plans declined 4 percent in those states, while enrollments in states where prices were not increased remained flat. the manager used this information to estimate the own-price elasticity of demand and, based on her findings, immediately increased prices in all market areas by 5 percent in an attempt to boost the company's 2016 annual revenues. one year later, the manager was perplexed because verizon's 2016 annual revenues were 10 percent lower than those in 2015"the price increase apparently led to a reduction in the company's revenues. did the manager make an error? yes - the one-week measures show demand is inelastic, so a price increase will decrease revenues. yes - the one-week measures show demand is elastic, so a price increase will reduce revenues. yes - cell phone elasticity is likely much larger in the long-run than the short-run. no - the cell phone market must have changed between 2011 and 2012 for this price increase to lower revenues.

Which analyst position analyzes information using mathematical models to business managers make decisions? -budget analyst -management analyst -credit analyst -operations research analyst

Kimberly has been jonah in preparing his personal income tax forms for a couple of years. jonah's boss recommended kimberly because she had done a good job setting up the company's new accounting system. jonah is very satisfied with kimberly's work and feels that the fees she charges are quite reasonable. kimberly would be classified as a(n) (a) independent auditor (b) private accountant (c) public accountant (d) accounting broker