Evaluate the Function at the Given Value of the Independent $C ( x ) = 0.5 x + 20,000$

Multiple Choice

Evaluate the function at the given value of the independent variable and simplify.
-The total cost in dollars for a certain company to produce x empty jars to be used by a jelly producer is given by the function $C ( x ) = 0.5 x + 20,000$ . Find $C ( 50,000 )$ , the cost of producing 50,000 jars.

A) $\$ 45,000$
B) $\$ 25,000$
C) $\$ 20.50$
D) $\$ 50,020$