If the month-end bank statement shows a balance of $36,000, outstanding checks are $10,000, a deposit of $4,000 was in transit at month-end, and a check for $600 was erroneously charged by the bank against the account, the correct balance in the bank account at month-end is :

a) $29,400
b) $30,000
c) $30,600
d) $41,400