Round to Two Decimal Places Unless Otherwise Indicated $\mathrm { C } ( \mathrm { x } )$

Round to two decimal places unless otherwise indicated.
If the average cost per unit C(x) to produce x units of plywood is given by C(x) , what is the
-If the average cost per unit $\mathrm { C } ( \mathrm { x } )$ to produce $\mathrm { x }$ units of plywood is given by $\mathrm { C } ( \mathrm { x } ) = \frac { 900 } { \mathrm { x } + 30 }$ , what do 1000 units cost?

A) $\$ 400.00$
B) $\$ 899.97$
C) $\$ 30000.00$
D) $\$ 873.79$