Q$.32$

What does line $4$ in the graph of Information source $2$ represent?

Data employee ball pit

$\backslash$table$[[$Employment contract,fixed$],[$Number of hours,$40$ hours per woek $(1\mathrm{.}0$ fte$)],[$Work day,$8$ hours per day excluding $\frac{1}{2}$ hour break$],[$Vacation$,28$ days a year$],[$Hourly wage $($net$),l11$