B. Quantitative Analysis Problem # 1: (10 points) Please read \"Instructor's Notes\" and \"Chapter 15\" on Optimal Pricing. Then, complete the following problem: A store in Massena, New York, has offered rebates of $2 off the regular $100 price on their microwaves. The rm has observed a positive sales increase of 8% over the previous month's sales. 1. What is the point price elasticity of demand for jeans? 2. If marginal cost per unit is $40, was the original $100 price optimal? 1