Suppose that a worker in freedonia can produce either 6 units of corn or 2 units of wheat per year, and a worker in sylvania can produce ei ther 2 units of corn or 6 units of wheat per year. each nation has 10 workers. without trade, freedonia produces and consumes 30 units of corn and 10 units of wheat per year. sylvania produces and consumes 10 units of corn and 30 units of wheat. suppose that trade is then initi ated between the two countries, and freedonia sends 30 units of corn to sylvania in exchange for 30 units of wheat. sylvania will now be able to consume a maximum of
a.30 units of corn and 30 units of wheat.
b. 40 units of corn and 30 units of wheat.
c. 40 units of corn and 20 units of wheat.
d. 10 unites of corn and 40 units of wheat.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer

Your subscription to investing wisely weekly is about to expire. you plan to subscribe to the magazine for the rest of your life, and you can renew it by paying $85 annually, beginning immediately, or you can get a lifetime subscription for $620, also payable immediately. assuming that you can earn 6.0% on your funds and that the annual renewal rate will remain constant, how many years must you live to make the lifetime subscription the better buy?

Consumers who participate in the sharing economy seem willing to interact with total strangers. despite safety and privacy concerns, what do you think is the long-term outlook for this change in the way we think about interacting with people whom we don't know? how can businesses to diminish worries some people may have about these practices?