Solve the Equation for Y $S ( x ) = 80 x + 3600$

Multiple Choice

Solve the equation for y.
-Suppose the sales of a particular brand of appliance satisfy the relationship $S ( x ) = 80 x + 3600$ , where $S ( x )$ represents the number of sales in year $x$ , with $x = 0$ corresponding to 2010 . In what year would the sales be $4320 ?$

A) 2018
B) 2021
C) 2020
D) 2019