A taxpayer is operating two businesses in California $-$ one is a legal marijuana business with $$250$k in gross receipts and $$175$k in expenses and the other is a dry cleaning business with $$100$k in gross receipts and $$75$k in expenses $-$ How much taxable business income does he have for Federal and State purposes? $($Disregard inventory and return of capital considerations, assuming the expenses are just regular Section $162$ trade or business expenses$)$

a$.$ $$100$k for both Federal and State

b$.$ $$275$k for Federal and $$100$k for State

c$.$ $$100$k for Federal and $$275$k for State

d$.$ $$350$k for both Federal and State