1) Describe the methods, uses, and advantages and disadvantages of top-down and bottom-up estimating methods

1) Describe the methods, uses, and advantages and disadvantages of top-down and bottom-up estimating methods. Please use internet references that can be verified. Thank you so much.

2) Marco shoe company would like to expand their shoe stores to other parts of the world. They currently operate in United States, Canada, Germany, France, Ireland and Spain. The company is now looking to open one additional store in the upcoming year and would like to calculate the risk and decide on where to open the new store. The risk in each location is different. Here is the chart of each of the current last year’s income.