1. What does effective global leadership achieve? What are the different roles that managers on international assignment often assume to enhance leadership effectiveness? Choose one country in South America and one country in Europe to describe some of the differences.

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?

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

Last year, johnson mills had annual revenue of $37,800, cost of goods sold of $23,200, and administrative expenses of $6,300. the firm paid $700 in dividends and had a tax rate of 35 percent. the firm added $2,810 to retained earnings. the firm had no long-term debt. what was the depreciation expense?