when I look up the companies on SEC's EDGAR system I only see 6-k reports and not sure what I am looking for on their site. Need example of 1

The pharmaceutical industry spends billions of dollars each year on research and development. Rather than capitalize these R&D expenditures as intangible assets, companies are required to charge them to expense in the year incurred. Perform a key word search of pharmaceutical companies using the search engine of your choice.Select 3of these companies and obtain their 10K report by using the SEC's EDGAR system or going directly to the websites of the company you choose. For each company selected, determine:

1. Total R&D expense for the most current year

2. Total R&D expense as a percentage of total operating costs and expenses

3. Total R&D expense as a percentage of net sales

4. The percentage by which operating income would have increased had the entire R&D expenditure been recorded as anitangible asset instead of being charged to expense.

5. Using information from the 10-K reports, summarize briefly the kinds of drugs being researched and developed by each of these companies. To a potential investor, which company appears to be the most innovative and promising?