please solve this question

7. Compare a D Latch (Q), a Positive Edged Flip-Flop (Qs), and a Negative Edge Flip-Flop (Q) by completing the timing diagram show below. Remember the difference between a negative and a positive edge triggered flip flop is that the positive edge has an extra inverter on the clock lead before the first D Latch DO Clock (12 points) D O Clock Qa