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 .

Employees at a library check out books to patrons. books have an isbn and a name. the library sometimes has multiple copies of the same book. books have one or more authors. a patron is an individual who has an active (non-expired) library card. for each library card, we store the person's first and last names and their address. for each employee, we store their employee id, current salary, first and last name and their address. we also store the employee id of their current manager. each time we check out a book to a patron we need to store the date of the transaction, the employee who checked out the book to the patron, and the library card of the patron. some employees have library cards. if an employee patron turns in a book late, the fine that they pay is a percentage of their salary. some employees are authors who have library cards—they are allowed to check out as many books as they like.