An ideal gas undergoes a four step cycle as shown in the \( P{-}V \) diagram below. During this cycle, heat is absorbed by the gas in
steps \( 1 \) and \( 2 \)
steps \( 1 \) and \( 3 \)
steps \( 1 \) and \( 4 \)
steps \( 2 \) and \( 4 \)
