Could someone please help me figure this out? Thank you

Question 1 Based on this figure, please answer s, b and c (hint: do not forget to include in your analysis the calculations of changes in price and quantity! I suggest you work with areas; area of a triangle Base x Height x 18)) 10 D Q a) According to this graph, how much is the consumer surplus (when the price of equilibrium is $5)? b) According to this graph, how much is the producer surplus (when the price of equilibrium is $5)? c) Based on your answer for a) and b), how much is the total surplus for the economy