t (20 scores) Consider a market with two producers and two consumers. The two producers submit sale bids to the market for one specific hour of the day ahead as listed in Table 7.1. The two consumers submit purchase bids for the same hour of the day ahead as listed in Table 7.2. Please calculate the market clearing price and the market clearing volume. Table 7.1 The producers' sale bids. Producerl Producer Price (/MWh) Volume (MWh) Price (/MWh] Volume (MWh) 20 40 Table 7.2 The consumers' purchase bids. Consumer Consumer2 Price [/MWh] Volume (MWh) Price (/MWh] Volume [MWh] 60 55