( a) The law of demand tells us. that, all else equal, as berice falls, the quantity demanded of 0 a broduck rises, and vice verda . There are two explaination for. this. one explaination relates to the income and substitution effects. Name and describe the other explaination using Crunchie chocolate bars to assist with your rationale in your ansuger. ( b ) In the entertainment industry there is a price at which the actors must be paid . This price's determined by the screen actors guild ( SAQ) . This would be considered ( price ceiling or prea floor ) . . ( A ) It represent a (minimum or maximum ) price they could be Paid . By SAG imposing this type of pricing requirement It would be a cause ( surplus Or) shortage ) . of tears actors inthe industry .". A . This in turn would set the price ( above or below ) . The unconstrained market price . A . The outcome for move makers would cause them to har ( more or less) actors for their movie based upon their budget