A manufacturer is making a special voltage small electronic battery. The total cost, C, (in thousands of dollars) to make the batteries is
a function of the number of batteries made u (in thousands) and is given by
C(u) = 0.0022 · 22 +0.12 - u + 310.
The manufacturer plans to charge wholesalers $2.40 per battery
A. What is the marginal profit at the production level of 388 thousand batteries?
(nearest 0.01)
B. What is the marginal profit at the production level of 892 thousand batteries?
(nearest 0.01)
C. At what production level will profit be maximized?
thousand (nearest 1000)