A unit hydrograph for a small watershed is provided as the following on a $10-$minute time interval. Two rainfall events, $3cm$ and $0\mathrm{.}5cm,$ occurred at for the $1st$ and $3rd$ intervals, respectively. Calculate the basin outflow hydrograph. $(6$ points$)$

$10-$min Unit hydrograph:

$\backslash$table$[[0,10,20,30,40,50,60],[\backslash$table$[[0],[($m$3/$s$/$cm$)]],3,6,8,7,2,0]]$

Use this table if you'd like:

$\backslash$table$[[0,10,20,30,40,50,60,70,80],[,,,,,,,,],[,,,,,,,,],[,,,,,,,,]]$