c$.$ Create a $3-$input, $4-$Level AND$/$OR $($or NAND$/$NOR$)$ circuit in Logisim. Connect one input to a clock, one input to the inverse of the clock, and fix one input to high. Connect the output to a LED $($or LEDs$).$ Test the circuit; the LED$($s$)$ should flash. Adjust your circuit if it$/$they do$($es$)$ not.