QUESTION 2 15 Marks) a) One of the utilities has been contracted to deliver 680MW with total production capacity of 8SOMW. It's clectronic trading has been demonstrated on the screen trading terminal of this utility. The table 2 demonstrates the offers to sell energy trading and bids to buy energy of this utility's proposul. i. Which identifiers in the power exchanged are profitable to be traded from the bids to buy and buil! the second options for the utility to proceed? 12.5 Marks . What is the marginal cost of this case? 1 (1 Mark) Table 2 Oferte Sell and Bids to Buy Energy Nov 16, 2021. 16.00-18.00 Identifier Amount (MW) Price (SMWh) *) 18 A 26 16.8 Offers to sell Energy A3 21 14.6 A4 10.5 14 A. 26 14 Bi 21 14 31 13.8 Bids to buy Energy B. 11 13 5 B: 13 91 . 52 13 b) For a 5-year period, evaluate the Present Value of one type of lighting that costs $2 to buy, costs $ 20 per vear to operate and must be replaced every 2 years [1.5 Mark) QUESTION 2 15 Marks) a) One of the utilities has been contracted to deliver 680MW with total production capacity of 8SOMW. It's clectronic trading has been demonstrated on the screen trading terminal of this utility. The table 2 demonstrates the offers to sell energy trading and bids to buy energy of this utility's proposul. i. Which identifiers in the power exchanged are profitable to be traded from the bids to buy and buil! the second options for the utility to proceed? 12.5 Marks . What is the marginal cost of this case? 1 (1 Mark) Table 2 Oferte Sell and Bids to Buy Energy Nov 16, 2021. 16.00-18.00 Identifier Amount (MW) Price (SMWh) *) 18 A 26 16.8 Offers to sell Energy A3 21 14.6 A4 10.5 14 A. 26 14 Bi 21 14 31 13.8 Bids to buy Energy B. 11 13 5 B: 13 91 . 52 13 b) For a 5-year period, evaluate the Present Value of one type of lighting that costs $2 to buy, costs $ 20 per vear to operate and must be replaced every 2 years [1.5 Mark)