Refer to PengAtlas Maps 2.5 (Regional Economic Integration in South America) and 2.6 (Regional integration in the Asia Pacific). Why have these examples of economic integration not been as successful as the EU and NAFTA?

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

You have $5,300 to deposit. regency bank offers 6 percent per year compounded monthly (.5 percent per month), while king bank offers 6 percent but will only compounded annually. how much will your investment be worth in 17 years at each bank

Circumstances under which pro-forma invoice may be used