Suppose you know the following information regarding the cars held in a certain car dealership:

There are 1000 cars currently stored at the dealership. 230 of the cars are SUVs. 100 of the cars are sports cars. No car can be both a SUV and a sports car. 350 of the cars are red. 50 of the red cars are SUVs. 410 cars are either red or sports cars (or both).

(a) How many cars at the dealership are neither SUVs nor sports cars? (b) How many cars at the dealership are red or SUVs but not both? (c) How many cars at the dealership are red sports cars? (d) How many cars at the dealership are red but aren't sports cars?