Kindly help in drawing this graph as I can't understand how to plot this graph

I dont understand how to draw this graph from the question below . kindly help Test Your Understanding . Suppose that demand and supply are as shown below. a) Demand increases by 30 units and new firms enter, causing supply to increase by 30 units. Draw the new demand and supply curves, D2 and S2. What are the new P and Q? s b) As a result of industry 10 Price expansion, costs of production increase by $6 per unit. Draw N the new supply curve S3. What are the new P and Q? 10 20 30 40 50 60 70 Quantity per period 2021 McGraw Hill 8-61