Answer:
Dave's marginal revenue from selling milk is $ 5.
Step-by-step explanation:
This problem requires us to calculate Dave's marginal revenue from selling milk. The marginal revenue is calculated by subtracting current reveue form the expected or forecasted revenue. Detail calculation is given below.
Current reveune = 4 * 5 =20 dollars -A
Expected Reveunue = 5 * 5 = 25 dollars -B
Marginal revenue = A-B = 25- 20 = $ 5