DO NOT GIVE ME A CHATGPT ANSWER, I WILL GIVE A THUMBS DOWN A new coal$-$fired power plant is to burn a coal of $3\%$ sulfur, and a heating value of $11,000$ Btu$/$lb$.$ What is the minimum efficiency that a SO$2$ scrubbing device will need to have in order to meet the new source emission standard of $1\mathrm{.}2$ lb SO$2/106$ Btu?dpd