The market-clearing price of natural gas is $2 per mef,and the maximum allowable price is $1.A shortage of 25-18=7 Tcf results.The gain to consumers is rectangle A minus triangle B, and the loss to producers is rectangle A plus triangle C.The market-clearing price of natural gas is $2 per mcf, and the maximum allowable price is $1. A shortage of 25-18 = 7 Tcf results. The gain to consumers is rectangle A minus triangle B, and the loss to producers is rectangle A plus triangle C