6. Draw freehand demand and supply graphs to illustrate the following scenarios. Assume the market is at equilibrium. Label your graph. Then, briefly provide an explanation about how price and quantity will change in the market: (a) A drop in consumer incomes influences the demand for dry cleaning. (b) Assume that people like mustard on their hot dogs. Due to increases in the cost of production, the supply of hot dogs decreases. How will this affect the market for mustard