Suppose an excise tax of $1 is imposed on every case of beer sold and sellers are responsible for paying this tax. How would the imposition of the tax be illustrated in a graph? The supply curve for cases of beer would shift up by less than $1 O The supply curve for cases of beer would shift up by more than $1. The supply curve for cases of beer would shift up by $1 The supply curve for cases of beer would shift down by $1