For perfect intercooling in a two stage compressor?

• A. p‚Äö√á√á/p‚Äö√á√Ö = p‚Äö√á√â/p‚Äö√á√á
• B. p‚Äö√á√Ö/p‚Äö√á√â = p‚Äö√á√á/p‚Äö√á√Ö
• C. p‚Äö√á√Ö = p3
• D. p‚Äö√á√Ö = p‚Äö√á√á p3