It is a hot day and Bert is thirsty. Here is the value he places on each successive bottles of water. 1st bottle $7 2nd bottle $5 3rd bottle $3 4th bottle $1 (a) If the market price of water is $3, how many bottles will Bert buy? (b) What is the consumer surplus on all the bottles Bert buys? Show your work/explain your answer for both parts (a) and (b).