Using data from the Statement of Earnings and Balance Sheet of Campbell Soup Company.

Required:

a$.$ Calculate ROI for $2020.$

b$.$ Calculate ROE for $2020.$

c$.$ Calculate working capital at August $2,2020,$ and July $28,2019.$

d$.$ Calculate current ratio at August $2,2020,$ and July $28,2019.$

e$.$ Calculate Acid$-$test ratio at August $2,2020,$ and July $28,2019.$