In each case below, determine the effect on the sellers' total revenue and identify whether the demand curve in this particular market is plastic, Inelastic, or unit-elastic in the relevant price range a When the price per package of a brand of chocolate chip cookies increases from $5 to $9, monthly quantity demanded decreases from 20,000 to 10.000 packages Initial total revenue is $ and final total revenue is $ 1MIN Demand is (Click to select) b. A fall in the price of sugar from $5 to $3 per carton raises weekly quantity demanded from 15,000 to 20 000 cartons. Initial total revenue is $[ and final total revenue is$ . Demand 's Click to saled) v c. A rise in the quantity demanded of a monthly fashion magazine from 20,000 to 30.000 copies occurs when its newsstand price is reduced from $10 to $7. Initial total revenue is $ and final total revenue is $ . Demand is (Glick to select y "d. Daily quantity demanded of a particular model of earphones rises from 3,800 to 4,000 earphones if the price drops from $200 to $190, Initial total revenue is $ and final total revenue is $ Demand is [Click to select)