Agri-cor sells farm equipment throughout the euro zone. the company has noticed that some customers travel to countries where equipment sells for less to obtain a better deal. what implication of adopting the euro as a common currency does this situation demonstrate?

multiple choice

it makes it easier to compare prices across europe.

it makes europe an optimal currency area.

it leads to higher prices in europe.

it decreases competition in europe.

it increases the profit margins of european producers.

the single european act was put in place in an attempt to

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