Walmart plans lower their capital expenditure projections for fiscal 2017-2019. Walmart (MWT) expects to generate $80 billion in cash flow over fiscal 2017–2019, up from $75 billion in the last three years. The company plans to move the same in funding organic growth initiatives, paying dividends, and buying back its own shares. Walmart released disappointing guidance for its forecast horizon in fiscal 2016–2019. Walmart also updated its capex (capital expenditure) projections for fiscal 2016, which ends January 31, 2016. Walmart expects to spend $12.4 billion in fiscal 2016, in the middle of the $11.6–$12.9 billion guidance range provided earlier. The company plans to scale down its investments in information technology and digital, from $1.2–$1.5 billion to $0.9 billion. calculate the NPV and the IRR