=+6.11* Business Application: Quantity Discounts and Optimal Choices: In end-of-chapter exercise 2.9, you illustrated my department’s budget constraint between “pages copied in units of 100” and “dollars spent on other goods” given the quantity discounts our local copy service gives the department. Assume the same budget constraint as the one described in 2.9A.

A. In this exercise, assume that my department’s tastes do not change with time (or with who happens to be department chair). When we ask whether someone is “respecting the department’s tastes,” we mean whether that person is using the department’s tastes to make optimal decisions for the department given the circumstances the department faces. Assume throughout that my department’s tastes are convex.