accounting questions about kellogs annual report for 2014

Accounting questions about Kellogs annual report for 2014:

1. a) over how many years does Kelloggs depreciate its building structures?

b) what depreciation method is used?

2. What does Kellogs consider to be a "cash equivalent?"

3. a) which inventory cost flow method does kellogs use?

b) what was kelloggs inventory turnover ratio for the fiscal year ended 1-3-15?

4. At the end of its fiscal year 2014, what percentage of kelloggs assets were in inventories?

Here is the link for the annual report:

http://s1.q4cdn.com/765937029/files/doc_financials/annual_reports/K_2014-Annual-Report_v001_q725z5.pdf