$\backslash$table$[[$Time $($hours$),$Load$($MW$)],[6$ AM $-8$ AM$,1\mathrm{.}2],[8$ AM $-9$ AM$,2\mathrm{.}0],[9$ AM $-12$ Noon,$3\mathrm{.}0],[12$ Noon $-2$ PM$,1\mathrm{.}50],[2$ PM $-6$ PM$,2\mathrm{.}50],[6$ PM $-8$ PM$,1\mathrm{.}80],[8$ PM $-9$ PM$,2\mathrm{.}0],[9$ PM $-11$ PM$,1\mathrm{.}0],[11$ PM $-5$ AM$,0\mathrm{.}50],[5$ AM $-6$ AM$,0\mathrm{.}80]]$

$($a$)$ Plot the load curve and find out the load factor.

$($b$)$ Determine the proper number and size of generating units to supply this load.

$($c$)$ Find the reserve capacity of the plant and plant factor.

$($d$)$ Find out the operating schedule of the generating units selected.