$1.$Is Walmart generating cash from its operations?

$2.$ Describe what investing activities Walmart has been involved in over the past three years. Are investing activities an overall source or use of funds for Walmart?

$3.$ What financing activities has Walmart been undertaking in the past three years? Has it been paying dividends to its common stockholders? Has it been purchasing its own stock back?

$4.$Why do you think Walmart has a fiscal year$-$end of January $31$ rather than using a calendar year$-$end of December $31?$