6. ABC Insurance Co. has a retention limit of $300 thousand for insurance on a single building. ABC has a surplus-share treaty with Atlantic Re, Inc., ceding up to 6 lines to Atlantic. ABC wrote a $1.2 million policy on Central Warehousing, Ltd.'s warehouse building on 121st Street. A fire at the warehouse last month caused $600 thousand in damage. What portion of this loss is ABC responsible to pay