NO.PZ2020011303000191
问题如下：
How are gross return and net return defined?
选项：
解释：
Gross return is the return divided by the initial investment without considering financing costs. Net return is the return minus financing costs divided by the initial investment.
题目问：gross return和net return都是怎么定义的？
gross return=return/initial investment，不考虑cost
net return=(return-financial cost)/initial investment，考虑cost
