Download the 2015-2017 annual financial reports for both T-Mobile and Sprint, research their businesses and find 5-7 the most comparable competitors...

1. Download the 2015-2017 annual financial reports for both T-Mobile and Sprint, research their businesses and find 5-7 the most comparable competitors for them.

2. Research the item 1A and identify the top 5 risk factors for each company, and analyze the potential impact on the prospective financial performance from each factor.

3. Research items 7&8, look for the big changes on the three financial statements, and search for the root causes from item 7 and other sources, such as the company's earnings calls (available on the company's website), Yahoo Finance, Google, MarketWatch and etc.

4. Research the synergy effects on both sales and costs for this deal, and give me your rough expectations on the synergy effects. For example, 2.5% on sales and 4% on cost of good sold and 5% on SG&A.