An economist is interested in studying the incomes of employees in a particular Silicon Valley firm. The population standard deviation is known to be $5000. What total sample size would the economist need to use for a 95% confidence interval if the width of the interval should not be more than $500:

A. 385
B.1536
C.1537
D. 384

Andy owns islander surfboard inc. in the past, andy has always given his employees bonuses during the holidays if they reached certain sales goals. this year, even though the company is thriving, he decided to cut bonuses from employees and award them to himself instead. what ethical theory of leadership is andy following?

In 2018, laureen is currently single. she paid $2,800 of qualified tuition and related expenses for each of her twin daughters sheri and meri to attend state university as freshmen ($2,800 each for a total of $5,600). sheri and meri qualify as laureen’s dependents. laureen also paid $1,900 for her son ryan’s (also laureen’s dependent) tuition and related expenses to attend his junior year at state university. finally, laureen paid $1,200 for herself to attend seminars at a community college to her improve her job skills.what is the maximum amount of education credits laureen can claim for these expenditures in each of the following alternative scenarios? a. laureen's agi is $45,000.b. laureen’s agi is $95,000.c. laureen’s agi is $45,000 and laureen paid $12,000 (not $1,900) for ryan to attend graduate school (i.e, his fifth year, not his junior year).

Jaguar has full manufacturing costs of their s-type sedan of £22,803. they sell the s-type in the uk with a 20% margin for a price of £27,363. today these cars are available in the us for $55,000 which is the uk price multiplied by the current exchange rate of $2.01/£. jaguar has committed to keeping the us price at $55,000 for the next six months. if the uk pound appreciates against the usd to an exchange rate of $2.15/£, and jaguar has not hedged against currency changes, what is the amount the company will receive in pounds at the new exchange rate?