Consider the following figure to answer the following two questions: 9- The equation of the price is: a) p 50-0.0016D b) p 42-0.0074D c) p 30-0.0036D d) p 44-0.0044D e) p 35-0.0025D TR $110,000 CT Cost and Revenue CF $70.000 5000 Demand (Volume) 10- If the equation of the price is p=50-0.002D, and knowing that the demand that gives maximum profit is 3000 units, then the variable cost per unit is a) 38 b) 18 c) 42 d) 30 e) 34