demand for air fryers- price 140, quanity 1, total revenue 140, marginal revenue 140. Price 110, quanity 2, total revenue 220, marginal revenue 80. Price 80, quanity 3, total revenue 240, and marginal revenue 20. Price 50, quanity 4, total revenue 200, and marginal revenu is -40. What is the output effect of decreasing the price of air fryers from $110 to $80 and what is the discount effect of decreasing the price of air fryers from $110 to $80? quizlet