Jacey, a commissioned salesperson, earns $210 base pay plus $32 per item sold. Express Jacey's gross salary G as a function of the number of items sold.
A. G(x) = 32(x + 210)
B. G(x)= 210(x +32)
C. G(x) = 210x +32
D. G(x)= 32x + 210