Every year, Proctor & Gamble invests a few million dollars into further developing diapers for specific uses, such as Pampers for preterm babies or pull-ups for older kids. This investment seeks to ____________by ____________. Question 21Select one: A. increase barriers to entry; lowering the cost of production B. build comparative advantage; differentiating their product C. decrease barrier to entry; increasing the quality of Pampers D. decrease regulatory pressure; decreasing producer surplus E. increase consumer happiness; increasing the number of Pamper diapers produced