Price increases while sales decrease for Firm J. Provide the following information: 1) whether it was the demand line or supply line that shifted in the demand and supply diagram, 2) whether that line...

Price increases while sales decrease for Firm J.  Provide the following information:  1) whether it was the demand line or supply line that shifted in the demand and supply diagram, 2) whether that line shifted left or right, and 3) and a story about Firm J that explains why that curve shifted the way it did.