You are operating a mutual fund which today has $$100$mil in assets. Your returns and fund flows into$/$out

of the fund are listed below.

Time $=$ Return Fund Flow $Mil

$120\mathrm{.}00\%5$

$210\mathrm{.}00\%3$

$3-30\mathrm{.}00\%-10$

$410\mathrm{.}00\%4$

$5-5\mathrm{.}00\%-2$

Question $1$: What is the arithmetic average $($mean$)$ of the returns?