Genco, an electricity company, believes it will need the amounts of generating capacity shown in Table 1 during the next five years. The company has a choice of building (and then operating) power plants with the specications shown in Table 2. Formulate an IP to minimize the total costs of meeting the generating capacity requirements of the next ve years and then solve it by using one of any optimization software. Table 1 Year Generating Capacity (million kwh}