某企业业务量和总成本情况，见下表：<br/> <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230417/19186365_0.png"><br/> <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230417/19186365_0_1.png"><br/> 则采用高低点法确定的固定成本总额为（）万元。