Answer :
Answer:
- How many devices should be manufactured each hour to minimize average cost? **21000** units.
- What is the resulting average cost of a device? $ 441160.001
- How does the average cost compare with the marginal cost at the optimal production level? Find how much they differ. $ 0.00
The marginal cost and the average cost are absolutely the same at the optimal cost.
Explanation:
C(x) = 441000 + 160x + 0.001x²
Average cost = (Total cost)/(number of units)
Average cost = (441000/x) + 160 + 0.001x
At minimum average cost,
dAC/dx = 0 (Note: AC means average cost)
dAC/dx = - 441000/x² + 0.001
when it is equal to 0
- 441000/x² = - 0.001
x² = 441000/0.01 = 441000000
x = 21000 units
Average cost of a device.
Average cost = (441000/x) + 160 + 0.001x
For one device, x = 1
average cost = (441000/1) + 160 + 0.001(1)
Average cost of a device = 441000 + 160 + 0.001 = $ 441160.001
At optimal level, that is, x = 21000 units
Average cost = (441000/x) + 160 + 0.001x = (441000/21000) + 160 + 0.001(21000) = $202
Marginal cost = dC/dx (Rate of change of total cost with the number of units)
C(x) = 441000 + 160x + 0.001x²
Marginal cost = (dC/dx) = 160 + 0.002x
At x = 21000 units
Marginal cost = 160 + 0.002(21000) = $202
The marginal cost and the average cost are absolutely the same at the optimal cost.