A commercial building has a $40$ ft$.$ by $30$ ft$.$ room with $30$ Light Emmitting Diode $($LED$)$ flat panel luminaries rated at $40$ Watts each, including drivers, and $12$ LED recessed luminaries rated at $10$ Watts each, including drivers. Determine the electrical lighting load of the space in Watts per square foot?

Pick one choice from A to D and show work.

A$)0\mathrm{.}9$ Watts$/$ft$.^2$

B$)1\mathrm{.}1$ Watts$/$ft$.^2$

C$)1\mathrm{.}6$ Watts$/$ft$.^2$

D$)2\mathrm{.}3$ Watts$/$ft$.^2$