Can anyone help me to solve these problems? I'm working on it for 2 hours but still have no idea.

Question 2 Jessica's individual demand function for camera rolls is given by Qa = 300 - 2P Suppose there is only one local store selling camera rolls and its total cost is TC = 5Q The government imposes a $10 prices ceiling on camera rolls 1. how many camera rolls will Jessica buy, and how much consumer surplus can Jessica get? 2. suppose the local store provides the following promotional program: A consumer can buy each camera roll at $10 for the first 150 rolls. Any additional camera rolls byond 2 150 bought by a consumer can receive a reduced price at $8 each, how many camera rolls will Jessica buy in total after the introduction of this promotional program? 3. Calculate Jessica's consumer surplus after the promotional program 4. Calculate the producer surplus after the promotional program 5. compare the local store's profit level before and after the promotional program. Can the local store do better by using some other pricing strategies