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The cars at dealership come with a choice of the following options: air conditioning, a cassette deck, leather seats, power windows, a sunroof and tinted glass. None of the cars has any other optional equipment. The following conditions apply:

If a car has leather seats, it also has a cassette deck. If car has a cassette deck, it also has power windows; If a car has power windows, it also has cassette deck.

Cars with tinted glass have a sunroof, but no air-conditioning. Cars that have air-conditioning have at most two other options.

If a car has both tinted glass and leather seats, what is the greatest number of additional options that the car could have?

1. $1$
2. $2$
3. $3$
4. $4$