What is the Max Regret for alternative, Plan $B?$

$\backslash$table$[[,,$INDLA,THON,,,rets,,$],[,,$HIGH,MIDIUM,LOW,H$,$M$,$L$,\backslash$table$[[$Max$],[$Regret$]]],[$ALTIGRNATIVES$,\backslash$table$[[$PLAN$],[$A$]],700,400,100,,,,],[\backslash$table$[[$PLAN$],[$B$]],300,325,325,,,,],[\backslash$table$[[$PLAN$],[$C$]],-50,400,600,,,,],[\backslash$table$[[$PLAN$],[$D$]],400,300,200,,,,]]$

Enter only the max regret for Plan B$.$