An individual seller's monthly supply of peanut butter is given by the equation = -70.5 + 40.5 -5.5W where is the amount of peanut butter supplied each month, is per unit price of peanut butter in dollars, and W is the hourly wage rate in dollars paid by peanut butter sellers to workers. Assume that the price of peanut butter is $20.50 and the hourly wage is $20. 1. Determine the amount of peanut butter supplied each month. 2. Determine the inverse supply function for an individual seller. 3. Determine the slope of the supply curve for peanut butter. 4. Determine the new vertical intercept of the