Suppose that the following table represents the subjective total benefit Rashid receives per month for a prescription medication that reduces blood pressure: Quantity of Total Benefit Marginal Benefit Pills 10 $100 20 $175 30 $225 40 $250 50 $250 a. Calculate the marginal benefit of each additional 10 pills. b. Graph Rashid's demand curve for the prescription. c. Suppose the market price for the prescription was $30 for 10 pills (and you can only buy multiples of 10 pills). How many pills would Rashid buy per month? Why? d. What would Rashid's consumer surplus be at a price of $30 per 10 pills