老师您好,关于post liquidation return计算,我看个人IPS课后题topics in private wealth management的第六题给的公式是(1+R1)x(1+R2)...(1+Rn)- embedded gain x tax rate;但是我看经典题topics in private wealth management的第三题给的公式是(1+R1)x(1+R2)...(1+Rn)x (1 - embedded gain x tax rate),这个也是我基础班记的公式。请问考试用哪个?感谢!