b. (2 pts.) Why does the price of roses go up on Valentine s Day? Explain using analytical tools in Ch. 3 of our text , graphs ,shift and movement etc.(common-sense answers will not be accepted). c. (2 pts.) Why does the government maintain public highways , help public universities and at the same time impose taxes on cigarettes and alcoholic beverages. Explain using analytical tools from Ch. 4 of our text mentioning different market failures as applicable in each case , (common-sense answers will not be accepted). d. (1pt.) Explain why outsourcing is good or bad .