$\backslash$table$[[,$Apra LTD$,$Bela LTD$],[$Cash$,18000,7000,],[$Marketable securies$,8000,,],[$Accounts recosivable,$12000,12000,],[$Irrentory$,22000,22000,],[$Accounts payable,$13000,35000,]]$

Answer the following questions based on above scenano

Acid test ratio of Alpha Limited

a$.2,3$:$1$

b$.32$:$1$

c$.1,8$:$1$

d $4\mathrm{.}61$

e$.2\mathrm{.}1$