Let the budget for this consumer be $192. Use the following graph to answer questions 4-5. Show your work for full credit. Tacos 16 32 Wings 4. What is the price per taco and wing? Calculate the slope of the line that is tangent the curve at point A using two different formulas: (a) a formula of a slope and (b) using the prices for tacos and wings. Show your work. 5. The optimal combination of tacos and wings is reached at point A, where the indifference curve is tangent to the budget line. What is the Marginal Rate of Substitution (MRS)