Economics
posted by Ronald on .
The price elasticity of demand for senior citizens purchasing coffee from McDonald's is 5 while non senior citizens have a price elasticity of demand equal to 1.25. If is cost McDonald's $0.02 to produce a coffee, the optimal price for a cup of coffee for non senior citizens and resultant marginal cost under thirddegree price discrimination are
A. $0.004 and $0.02.
B. $0.02 and $0.80.
C. $0.10 and $0.02.
D. $10 and $0.20.

c