You and your friends have decided to build a skateboard ramp behind your house. you have already purchased $500 in materials and are considering renting an electric saw. it costs $20/hour to rent an electric saw. you estimate it will take 6 hours to build the ramp. if you decide to use your saw, which is a handsaw, you will not have to pay anything to rent an electric saw, but it will take 15 hours to build the ramp. regardless of the decision, you will need to ask for time off from your job, which pays $12/hour.

(a) if you use your handsaw, the explicit costs of the ramp are $

(b) the explicit costs of the ramp are $ if you rent an electric saw.

(c) if you use a handsaw, the implicit costs of the ramp are $

(d) if you rent an electric saw, the implicit costs of the ramp are $

You are at a holiday dinner with your family. your relative makes the argument that the u. s. economy is resurgent and has recovered from the great recession of 2007 – 2009. economic growth, as measured by gdp, has been increasing from one quarter to the next. you beg to differ. how would you structure your argument with your relative? hint: you should think about two things, the accuracy of gdp measures, and whether gdp should be considered a comprehensive measure of a countries well-being.

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening. a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number. include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i. e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?