Oscar makes purchases of an existing product (x) such that the marginal utility of the last unit he consumes is 10 utils and the price is $5. he also tries a new product (y) and the marginal utility of the last unit he consumes is 8 utils and the price is $1. the equal marginal principle suggests that oscar shoulda. increase his consumption of product x and increase his consumption of product y. b. increase his consumption of product x and decrease his consumption of product y. c. increase his consumption of product y and decrease his consumption of product x. d. decrease his consumption of product y and decrease his consumption of product x.

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.