Given the data and information that follow, compute the total direct cost for each project duration. If the indirect costs for each project duration are $\backslash (\backslash$$ $90\backslash )(15$ time units$),\backslash (\backslash$$ $70\backslash )(14),\backslash (\backslash$$ $50\backslash )(13),\backslash (\backslash$$ $40\backslash )(12),$ and $\backslash (\backslash$$ $30\backslash )(11),$