$8.$Mr$.$ Clayton and Mr$.$ Brown both have accounts at Second Financial, although the accounts are at different branches. Mr$.$ Clayton writes a check payable to Mr$.$ Brown for $$4,200,$ which Mr$.$ Brown deposits into his checking account at his branch of Second Financial. How much of this check must be made available the next day?$$A$.$$$4,200$B$.$$$200$C$.$$$100$