You are provided with the financial statements for Safaricom $2021$ and $2020($as attached$).$ Using the Altman Z$-$score formulae, Compute X$4$

$\backslash$table$[[$A$.2021,0\mathrm{.}4170,2020,10\mathrm{.}34],[$B$.2021,0\mathrm{.}4760,2020,10\mathrm{.}34],[$C$.2021,10\mathrm{.}34,2020,13\mathrm{.}71]]$

a$.$ A

b$.$ C

C$.B$