What was the sticker price of a 1979 Porsche 911 turbo?

I am not positive about the Turbo, but I can tell you sticker on my 79 911SC Targa was $31K purchased Nov 1978. I believe I saw some Turbos for sale around that time for $42K. I am not positive about the Turbo, but I can tell you sticker on my 79 911SC Targa was $31K purchased Nov 1978. I believe I saw some Turbos for sale around that time for $42K.