Analyzing Inventory for Two Retail Grocery Companies

Carrefour Group $($headquartered in Boulogne$-$Billancourt, France$)$ and Tesco PLC $($headquartered in Welwyn Garden City, UK$)$ compete head$-$to$-$head in the grocery space

in the UK$,$ Ireland, Central Europe, and North Africa. The following information comes from their $2018$ annual reports.

Required

a$.$ Calculate gross profit margin for each year for both companies.

Note: Round percentage to one decimal place $($for example, enter $6\mathrm{.}7\%$ for $6\mathrm{.}6555\%).$

b$.$ Determine the common$-$size inventory for each year for both companies,

Note: Round percentage to one decimal place $($for example, enter $6\mathrm{.}7\%$ for $6\mathrm{.}6555\%).$