6. twins barbara and mary are both age 27. beginning at age 27, barbara invests $2,000 per year for 10 years and then never sets aside another penny. mary waits 10 years and then invests $2,000 per year for the next 30 years. assuming they both earn 7%, how much will each twin have at age 67? what is the difference between how much each will have, and how do you explain the difference?

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A.j. was a newly hired attorney for idle time gaming, inc. even though he reported directly to the president of the company, a.j. noticed that the president always had time to converse with the director of sales, calling on him to get a pulse on legal/regulatory issues that, as the company attorney, a.j. could have probably handled. a.j. also noted that the hr manager’s administrative assistant was the go-to person for a number of things that would make life easier at work. a.j. was recognizing the culture at idle time gaming.

The market demand curve for a popular teen magazine is given by q = 80 - 10p where p is the magazine price in dollars per issue and q is the weekly magazine circulation in units of 10,000. if the circulation is 400,000 per week at the current price, what is the consumer surplus for a teen reader with maximum willingness to pay of $3 per issue?