Identifying and Computing ROPI Model Inputs

$***$ Please only answer if you know how to answer it$,$ most of the answers I get are wrong so please dont just guess!$***$

Following are the balance sheets and statement of earnings for Home Depot Inc. for fiscal year ended February $3,2019,$ which the company labels fiscal year $2018.$

Note: Complete the entire question in Excel and format each answer to two decimal places. Then enter the answers into the provided spaces below with two decimal places.

a$.$ Compute net operating assets $($NOA$)$ and net nonoperating obligations $($NNO$)$ for the fiscal year ended February $3,2019.$

b$.$ For the fiscal year ended February $3,2019,$ show that: NOA $=$ NNO $+$ Stockholders' equity.