Answer:
Optimal package size = 4 units
Optimal package price = $20
Explanation:
P = 8 - 1.5Q and C(Q) = 2.0Q, MC = 2
To obtain optimal package size, we put
Price is equal to the marginal cost, P = MC
8 - 1.5Q = 2
1.5Q = 6
Q = 6 ÷ 1.5
= 4
Therefore,
Optimal package size = 4 units
Hence,
Optimal package price:
= 0.5[8 - 2] × 4 + 2 × 4
= 12 + 8
= $20