Based on the chart, given a student scores an A $,$ what is the chance it was in finance?

$\backslash$table$[[,$Passing$],[$Grade$,,,,,],[$Major$,$A$,$B$,$C$,$D$,$Total$],[$Accounting$,40,50,30,50,170],[$Marketing$,60,60,40,40,200],[$Finance$,70,70,50,30,220],[$HR$,30,30,60,20,140],[$Management$,20,20,70,10,120],[$Total$,220,230,250,150,850]]$

a$.0\mathrm{.}035$

b$.0\mathrm{.}200$

c$.0\mathrm{.}318$

d$.0\mathrm{.}388$