John has quasilinear preferences and his inverse demand function for Burgers is b=15-p, where p=price of burger. If the price of burger increases from $10 to $12, what will the effect be on his consumer's surplus? Question 40Answer a. His consumer's surplus falls by 9. b. His consumer's surplus falls by 10. c. His consumer's surplus falls by 4. d. His consumer's surplus falls by 8. e. His consumer's surplus falls by 5