The above table shows production points on Sweet-Tooth Land's production possibilities frontier. What is the opportunity cost of one can of cola if Sweet-tooth Land moves from point C to point B ? Select one: a. 2 chocolate bars b. 20 chocolate bars c. 1/2 chocolate bar d. 10 chocolate barsIncreasing opportunity cost is due to Select one: a. ever increasing taxes. b. the fact that resources are not equally suited for different types of production. c. firms' needs to earn more and more profits. d. the fact that it is more difficult to use resources efficiently the more society produces..