In: Math
A firm has monthly average costs, in dollars, given by
C =
| 42,000 | 
| x | 
+ 200 + x
where x is the number of units produced per month. The
firm can sell its product in a competitive market for $1800 per
unit. If production is limited to 400 units per month, find the
number of units that gives maximum profit.
x =  units
Find the maximum profit.
$