A company assumes the following equation as the true model to predict sales based on two predictors: advertising and competition. sales = 25 + 1.9 * advertising + (-2.3) * competition + What is the interpretation of the coefficient of competition in the model? Group of answer choices One unit decrease in competition is associated with 2.3 unit increase in sales One unit decrease in competition is associated with 2.3 unit decrease in sales One unit decrease in sales is associated with 2.3 unit decrease in competition One unit decrease in sales is associated with 2.3 unit increase in competition