A car dealership offers a certain car model in the colors red (R), black (
b., white (W), or silver (S). Each color of car is available in three different trim levels: DX (
d., LX (L), and EX (
e., and with either an automatic (
a. or manual (M) transmission. If Jarrett is purchasing this model of car at this dealership, how many possible options does he have to choose from?