function Best_Bank_with_Interest() { 
        thebank = msg.sender;  
        minimum_deposit_amount = 250 ether;
        deposit_fee = 5 ether;
        contract_alive_until_this_block = 3000000; 
                                                   
        
        count_customer_deposits = 0;
        
        term_deposit_end_block[thebank] = contract_alive_until_this_block;
        
    }